109 Answered Questions for the topic Linear

07/21/16

Linear or Not?

Determine whether the following function is linear    y = x^3 - 3x   Explain why      

07/19/16

Slopes/Intercept

y =3/2x - 3 Provide this equation with the standard form of itself and what 2 points they intercept. As well at a Table Of Values starting at -4 for x!  

07/08/16

Find equation whose x intercept iof a line is 4 and y intercept is 8.

In my book, it says the answer is (x)/4 + (y)/8 = 1   I have no idea how to solve to get to that answer.     

07/03/16

Linear equation word problem

how much money did a man have if he had $240 left after spending 20% of it at one store and 30% of it at another store ?

04/12/16

Linear and Nonlinear functions

Does the equation represent a linear or a nonlinear function? Explain. 2x+3y=7 y+x=4x+5

03/11/16

Find two numbers whose sum is 72 and one of them is twice the other one

system of linear equation question

02/21/16

Which equation represents a line that's parallel, but not coincident to y=1/2x-3?

 A. y=2/4x-6 B. y=3/6x-3 C. y=2x-6 D. y=-1/2x-1

02/16/16

Please help me with the following mathematical question.

The yield of zucchini Z kg/hectare, over a period of x hours of sunshine and y mm of rainfall is shown in the following statistics:Z= 23,28,30X= 30,50,40Y= 320,360,400a) Form a linear model in the... more

02/11/16

how do you determine a linear relationship from a table?

i have to find the relationship between the length of a peice of rope and the number of knots tied in it. i have a table of my results, but dont know how to plot the graph or how to determine a... more

02/09/16

I really need urgent help for this question... What do they mean by determine the conditions? What conditions? And how do I do the question?

Consider the simultaneous equations px-y=6,8x-2y=q determine the conditions that p and q must satisfy of the simultaneous equations have (i) an infinite number of solutions(ii) no solution,(iii) a... more

12/23/15

Linear Function

Write a rule for a linear function y=f (x), given that f (0) =-5 and f (-5) =-6. Write answers using fractions or integers.    The function rule is f(x) = 

12/21/15

linear equations

A quarterly electricity bill shows the following charges: For the first 50 kWh (kilowatt hours): 9.10c per kWh For the next 150 kWh: 5.80c per kWh Thereafter: 3.56c per kWh a Write down a formula... more

10/05/15

Linear Models

A salesperson recieves a base salary of $35,000 and a commission of 10% of the total sales for the year.     a. Write a linear model that shows the salesperson's total income based on total sales... more

08/09/15

Help Please

A builder needs to build a ramp to a house. It starts at 10 meters from the house, and when it reaches the house it is 0.8 meters higher than where it started. Building regulations state that the... more

08/09/15

Distance from the point (-2,4) to the point (3,-5)

Show and tell how could you find the distance from the point (-2,4) to the point (3,-5)? Is there more than one way to find the distance between the two points? What mathematical theorems were... more

04/27/15

Suppose S_1={u_1,u_2} and S_2={v_1,v_2} are each independent sets of vectors in an n-dimensional vector space V.

Let us assume that every vector in S_2 is a linear combination of vectors in S_1.Question: Does that mean that S_1 and S_2 are bases for the same subspace of V?I know that the answer to this... more

03/25/15

Linear Inequalities, solve & give interval notations, show on number line:| 2x+1 | < 3

Linear Inequalities:   Solve, & give interval notations, show on number line:   | 2x+1 | < 3      If I solved it correctly, I got x<1, please correct me if wrong. How would I show... more

03/23/15

Solve the equation

3(5-h)-2(h-2)=-1

03/23/15

Solve the equation

-3(4y-5)=-7(-5-2y)

03/23/15

Solve the equation

-3(9y+2)=2(-4y-7)

03/04/15

Please help solve these simultaneous linear equations.

3x + y = 182x – y = 75x + 3y = 212x + 7y = 205x + 3y = 312x + y = 122x + 3y = 1-x + 2y = -47x + 2y = 172x – 2y = 1

01/15/15

linear inequalities

What are the equations of the boundary lines in the form y=... for these two inequalities  I) 2y+3x> 11 II) 2y> 10x-7         The second equation should a greater of equal to sign.   2)... more

11/25/14

Describe all solutions of Ax=0

Let A= [1 -4  5  4              2 -8 10 8] Describe all solutions of Ax=0.   

11/25/14

Find a basis of the subspace R4 consisting of all vectors

Find a basis of the subspace of R4 consisting of all vectors of the form [x1, -2x1+x2, -9x1+4x2, -5x1-7x2]  

11/16/14

Describe all solutions of Ax=0

Let A= [1 -4 5  4            2 -8 10 8]   Describe all solutions of Ax=0 x=x2 ?+x3 ? +x4?  

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