1,959 Answered Questions for the topic linear algebra

Linear Algebra Linear Equations

01/15/21

You would like to see how many baseball and basketball games you can attend this summer.
Travel time for baseball games is 2 hours and basketball games is 1 hour. You would like to spend no more than 15 hours traveling to the games. In total, you would like to attend at least 8 games.... more
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Linear Algebra Algebra 1 Algebra 2 Calculus

01/14/21

A gas station uses the formula p(x) = 0.46 + 0.9x, where...
A gas station uses the formula p(x) = 0.46 + 0.9x, where x represents the wholesale price of the gas, to figure out how much to charge per gallon. What was the wholesale price if they are charging... more
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Linear Algebra Algebra 1 Algebra 2 Calculus

01/14/21

Please help with linear equation

Which is a linear equation for the population, P, of a town whose initial population is 23,400 and decreases by 200 people per year?a)   P = 23,400 + 200tb)   P = 23,400 – 200tc)    P = 200 +... more
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Linear Algebra Algebra 1 Algebra 2 Calculus

01/14/21

Are there math statements true?

Are there math statements true? - Every line has two distinct vertical intercepts.- If a > b and c < 0, then ac < bc.- |4 – 6| < |2 – 1|
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Linear Algebra Algebra 1 Algebra 2 Calculus

01/14/21

Help me solve this quadratic equation by factoring please
Help me solve this quadratic equation by factoring please:x^2 + 15x + 50 = 0forx= ?x= ?Thanks :)
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Linear Algebra Algebra 1 Algebra 2 Calculus

01/14/21

Help me solve this quadratic equation by factoring please.

Help me solve this quadratic equation by factoring please:3x^2 + 4x = 0forx= ?x= ?Thanks :)
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Linear Algebra Algebra 1 Algebra 2 Calculus

01/14/21

Help me solve the quadratic equation please
Help me solve the quadratic equation please;(4x-5)(3x-1) = 0forx= ?x= ?
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Linear Algebra Algebra 1 Algebra 2 Calculus

01/14/21

Help me Solve the quadratic equation please
Help me Solve the quadratic equation please:6x (x -10)= 0forx= ?x= ?
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Linear Algebra Algebra 1 Algebra 2 Calculus

01/13/21

Solve the system of equations. Please help me
Solve the system of equations:A) 4w + 5z = 34 z - 2w = 4 w = ? z = ?B) r + s = -4 s - 4r = 16 s = ? r = ?
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Linear Algebra Algebra 1 Algebra 2 Calculus

01/13/21

Solve the system of equations. Please Help
Solve the system of equations:3w-z= 5w+2z= 11for w= ?z= ?
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Linear Algebra Algebra 1 Algebra 2 Calculus

01/13/21

Help me Solve the system of equations
Help me Solve the system of equations:x = y-85x-y = 0forx = ?y= ?
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Linear Algebra Algebra 1 Algebra 2 Calculus

01/13/21

How many solutions the system has? Please help
How many solutions the system has?7x-6 = y7/y - 1/x = 12/xyA- One solution since the second equation can be written as a linear equation that has a different slope from the first equation.B-... more
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Linear Algebra Algebra 1 Algebra 2 Prealgebra

01/12/21

Are there values of x which satisfy the statement? How you can tell without finding, or attempting to find, the values.
Are there values of x which satisfy the statement? How you can tell without finding, or attempting to find, the values.| 13-x | -5 < 0 1- Yes, since there are numbers whose distance from 13 is... more
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Linear Algebra Algebra 1 Algebra 2 Geometry

01/12/21

Is there a value of which satisfies the statement? How you can tell without finding, or attempting to find, the value.
Is there a value of which satisfies the statement? How you can tell without finding, or attempting to find, the value.(2x+9) = - (-2-10)1- Yes, because (2x+9) is always positive2- Yes, because... more
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Linear Algebra Algebra 1 Algebra 2 Prealgebra

01/12/21

Is there a value of x which satisfies the statement? How you can tell without finding, or attempting to find, the value.
Is there a value of x which satisfies the statement? How you can tell without finding, or attempting to find, the value.(x+10)= 61- Yes, because there are numbers whose distance from -10 on the... more
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Linear Algebra Algebra 1 Algebra 2 Geometry

01/12/21

Interpret the following absolute value as a distance on the number line.

Interpret the following absolute value as a distance on the number line. Evaluate if possible.If it is not possible to evaluate, enter NA.| -8-5 | is the distance between _______ and ________.|... more
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Linear Algebra Algebra 1 Algebra 2 Prealgebra

01/12/21

Interpret the following absolute value as a distance on the number line. Evaluate if possible.
Interpret the following absolute value as a distance on the number line. Evaluate if possible.If it is not possible to evaluate, enter NA.| 6-3 | is the distance between ______ and ________.| 6-3 |... more
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Linear Algebra Algebra 1 Algebra 2 Prealgebra

01/12/21

Interpret the following absolute value as a distance on the number line.

Interpret the following absolute value as a distance on the number line. Evaluate if possible.If it is not possible to evaluate, enter NA.| -11 | is the distance between _______ and ________| -11 |... more
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Linear Algebra Algebra 1 Algebra 2 Prealgebra

01/12/21

Solve the inequality Please
The inequality -3.8 + C < 1.5 can be solved by performing a single operation on both sides. State the operation, indicating whether or not the inequality changes direction. Solve the inequality
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Linear Algebra Algebra 1 Algebra 2 Prealgebra

01/12/21

Write an inequality describing the given quantity
Write an inequality describing the given quantity.Example: An MP3 player can hold up to 120 songs. Solution: The number of songs is n where 0 < n < 120. n an integer.Minimum class size at a... more
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Linear Algebra Algebra Linear Equations

01/12/21

Two perpendicular lines have the same x-intercept. An equation of one line is y=3x+1. Determine the equation of the other line.
(1 mark for identifying correct perpendicular slope, 1 mark for substituting correctly and solving for x-intercept, 1 mark for substituting shared point correctly into equation, 1 mark for finding... more
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Linear Algebra Algebra Linear Equations

01/12/21

Determine the equation of the line that passes through the points (-3, 6) and (1, -4).
(1 mark for finding m, 1 mark for finding b, 1 mark for creating correct equation)
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Linear Algebra Algebra Linear Equations

01/12/21

Determine the equation of the line that is perpendicular to 2x−3y+6=0 and passes through the point (4, -2).
(1 mark for identifying correct perpendicular slope, 1 mark for substituting values correctly into equation, 1 mark for isolating and solving for b, 1 mark for creating correct equation)
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Linear Algebra Algebra Linear Equations

01/12/21

What is the point at the y-intercept on the line 4x−5y+11=0
(0.5 mark for substituting 0 into equation correctly, 1 mark for isolating and solving for correct unknown variable, 0.5 mark for stating point at y-intercept)
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Linear Algebra Algebra Linear Equations

01/12/21

A local fair charges a $15 entry fee and $1.75 per ride. Dustin has $35 to spend. What is the maximum number of rides Dustin can go on?
(1 mark for two correct 'let' statements, 1 mark for creating correct equation, 1 mark for substituting spending amount in for correct variable and isolating for unknown variable, 1 mark for... more
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