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PRACTICE Quiz on Linear Equations

Authored by W. Nasim

Mathematics

9th Grade

Used 3+ times

PRACTICE Quiz on Linear Equations
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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does "m" represent in y=mx+b?

y-intercept
slope
macaroni
nothing

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does "b" represent in y=mx+b?

y-intercept

slope

macaroni

nothing

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the slope of the line with the equation
 y = −32x + 4y\ =\ -\frac{3}{2}x\ +\ 4  

 −32-\frac{3}{2}  

 32\frac{3}{2}  

 44  

 −4-4  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the y-intercept of the line with the equation
 y = −2x + 4y\ =\ -2x\ +\ 4  

 −2-2  

 22  

 44  

 −4-4  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Write the equation of the line.

y = -1/3x - 2

y = 1/3x - 2
y = 3x - 2
y = -3x - 2

Answer explanation

The slope is positive. Starting with the point on the left, rise is 1 and run is 3.

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Graph the line with the equation
y = −23x + 4y\ =\ -\frac{2}{3}x\ +\ 4  

Media Image

Media Image

Media Image

Media Image

Answer explanation

Match the slope... or find the x-intercept to get the correct graph quickly.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Are these two lines parallel, perpendicular or neither?

y = -1/4 x - 5

y = 4x + 2

Parallel

Perpendicular

Neither

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