1,954 Answered Questions for the topic linear algebra

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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Linear Algebra Algebra Linear Equations

01/12/21

Determine the equation of a line that has a slope of -3 and passes through the point (-2, 5).
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Linear Algebra

01/11/21

Please Help me with this question! Thanks >:)
Grace's work is x miles from her house. She drives to work every day of a 5-day workweek. Grace also goes to the gym every day after work, which increases her daily drive by 8 miles. The following... more
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Linear Algebra

01/11/21

Please Help! I need to turn In this assignment as soon as I can! Thanks
Factor each expression completely by factoring out the largest common whole number possible. Then, order the expressions from least to greatest whole number that was factored out of each... more
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