Quiz about Unit 5 Review: Linear Functions

Question 1

Calculate the slope of the line passing through the points $$(2, 3)$$ and $$(4, 7)$$ .

Accepted Answer

$$2$$

Answer

$$1$$

Answer

$$4$$

Answer

$$\frac{1}{2}$$

Question 2

Write the equation of a line with a slope of $$3$$ and a y-intercept of $$-2$$ .

Accepted Answer

$$y = 3x - 2$$

Answer

$$y = -2x + 3$$

Answer

$$y = 3x + 2$$

Answer

$$y = -3x - 2$$

Question 3

Write the equation of a line passing through the points $$(1, 2)$$ and $$(3, 6)$$ .

Accepted Answer

$$y = 2x$$

Answer

$$y = x + 1$$

Answer

$$y = 2x + 1$$

Answer

$$y = 3x - 1$$

Question 4

Write the equation of a line with a slope of $$-1$$ passing through the point $$(4, 5)$$ .

Accepted Answer

$$y = -x + 9$$

Answer

$$y = -x + 5$$

Answer

$$y = x - 5$$

Answer

$$y = -x + 4$$

Question 5

Calculate the slope of the line passing through the points $$(-1, -1)$$ and $$(2, 3)$$ .

Accepted Answer

$$\frac{4}{3}$$

Answer

$$1$$

Answer

$$2$$

Answer

$$\frac{3}{4}$$

Question 6

Write the equation of a line with a slope of $$\frac{1}{2}$$ and a y-intercept of $$3$$ .

Accepted Answer

$$y = \frac{1}{2}x + 3$$

Answer

$$y = 2x + 3$$

Answer

$$y = \frac{1}{2}x - 3$$

Answer

$$y = -\frac{1}{2}x + 3$$

Question 7

Write the equation of a line passing through the points $$(0, 0)$$ and $$(5, 10)$$ .

Accepted Answer

$$y = 2x$$

Answer

$$y = \frac{1}{2}x$$

Answer

$$y = x + 5$$

Answer

$$y = 2x + 5$$

Question 8

Write the equation of a line with a slope of $$4$$ passing through the point $$(1, -2)$$ .

Accepted Answer

$$y = 4x - 6$$

Answer

$$y = 4x + 2$$

Answer

$$y = 4x - 2$$

Answer

$$y = 4x + 6$$

Question 9

Calculate the slope of the line passing through the points $$(3, 4)$$ and $$(6, 8)$$ .

Accepted Answer

$$\frac{4}{3}$$

Answer

$$1$$

Answer

$$2$$

Answer

$$\frac{3}{4}$$

Question 10

Write the equation of a line with a slope of $$-3$$ and a y-intercept of $$4$$ .

Accepted Answer

$$y = -3x + 4$$

Answer

$$y = 3x + 4$$

Answer

$$y = -3x - 4$$

Answer

$$y = 3x - 4$$

Question 11

Write the equation of a line passing through the points $$(2, 5)$$ and $$(4, 9)$$ .

Accepted Answer

$$y = 2x + 1$$

Answer

$$y = 2x + 3$$

Answer

$$y = x + 3$$

Answer

$$y = 2x - 1$$

Question 12

Write the equation of a line with a slope of $$\frac{3}{2}$$ passing through the point $$(2, 1)$$ .

Accepted Answer

$$y = \frac{3}{2}x - 2$$

Answer

$$y = \frac{3}{2}x + 1$$

Answer

$$y = \frac{3}{2}x - 1$$

Answer

$$y = \frac{3}{2}x + 2$$

Question 13

Calculate the slope of the line passing through the points $$(0, 0)$$ and $$(3, 9)$$ .

Accepted Answer

$$3$$

Answer

$$2$$

Answer

$$1$$

Answer

$$4$$

Question 14

Write the equation of a line with a slope of $$0$$ and a y-intercept of $$-5$$ .

Accepted Answer

$$y = -5$$

Answer

$$y = 0$$

Answer

$$y = x - 5$$

Answer

$$y = 5$$

Question 15

Write the equation of a line passing through the points $$(-2, -3)$$ and $$(2, 1)$$ .

Accepted Answer

$$y = x - 1$$

Answer

$$y = x + 1$$

Answer

$$y = x - 2$$

Answer

$$y = x + 2$$

Question 16

Write the equation of a line with a slope of $$5$$ passing through the point $$(0, 0)$$ .

Accepted Answer

$$y = 5x$$

Answer

$$y = 5x + 5$$

Answer

$$y = 5x - 5$$

Answer

$$y = x + 5$$

Question 17

Calculate the slope of the line passing through the points $$(1, 1)$$ and $$(4, 5)$$ .

Accepted Answer

$$\frac{4}{3}$$

Answer

$$1$$

Answer

$$2$$

Answer

$$\frac{3}{4}$$

Question 18

Write the equation of a line with a slope of $$-2$$ and a y-intercept of $$3$$ .

Accepted Answer

$$y = -2x + 3$$

Answer

$$y = 2x + 3$$

Answer

$$y = -2x - 3$$

Answer

$$y = 2x - 3$$

Question 19

Write the equation of a line passing through the points $$(3, 7)$$ and $$(6, 13)$$ .

Accepted Answer

$$y = 2x + 1$$

Answer

$$y = 2x + 3$$

Answer

$$y = 2x + 5$$

Answer

$$y = 2x + 7$$

Question 20

What is the equation of the line?

Accepted Answer

y=-2x-4

Answer

y=2x-4

Answer

y=-2x-2

Answer

y=-1/2x-4

Question 21

What is the equation of the line?

Accepted Answer

x=-3

Answer

y=-3x

Answer

y=x+3

Answer

x=3

Question 22

Given the function shown, find f(-5)

Accepted Answer

2

Answer

0

Answer

-5

Answer

None

Question 23

Given h(x)=2x-4, find h(-7)

Accepted Answer

-18

Answer

-3/2

Answer

2x-4

Answer

10

Question 24

What is the equation of the line?

Accepted Answer

y=1/2x-3

Answer

y=-2x-3

Answer

y=2x-3

Answer

y=1/2x+6

Question 25

Find f(x)=3

Accepted Answer

-2

Answer

3

Answer

0

Answer

None

Unit 5 Review: Linear Functions

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