Course 3 - Review Quiz 4

Fill in the blank.

The y-intercept is the value of y when x is________.

Select one.

• 0

• 1

• the range

• does not exist

What is the y-intercept of the line given by the following equation?

y = -6x - 7

Select one.

• 6

• -6

• 7

• -7

What is the slope of the line graphed?

Select one.

• 2

• -2

•  $\frac{1}{2}$  

•  $-\frac{1}{2}$  

What is the slope of the line shown in the graph?

Select one.

• 0

• 1

• 2

• undefined

What is the slope of the line?

y = -x + 7

Select one.

• -1

• 1

• 0

• 7

What is the y-intercept?

y = -4

Select one.

• -4

• 0

• 1

• 4

Select all ordered pairs that represent a function. Select two.

• (1, 1), (1, 5), (-2, 10), (6, -5)

• (-3, 7), (12, 3), (36, 3), (57, 3)

• $\left(\frac{1}{2},\ 3\right),\ \left(2,\ 7\right),\ \left(\frac{1}{2},\ -3\right),\ \left(9,\ 35\right)$

• (3, 36), (4, 48), (3, 6), (4, 8)

• (2, 5), (6, 67), (67, -2), (234, 0)

Simplify the expression: 3(1 - 2x) + 7

• 21 - 6x

• 24 + 6x

• 10 + 6x

• -6x+10