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- Multiple ChoicePlease save your changes before editing any questions.
The graph shows the cost of hiring a plumber. What is the rate of change (or hourly rate)?

$60

$50

$46

$40

- Fill in the BlankPlease save your changes before editing any questions.
Solve for x:

$\frac{1}{4}\left(8x\ -\ 4\right)\ =\ 5\left(x\ +\ 2\right)\ +\ 4$ - Multiple ChoicePlease save your changes before editing any questions.
What is the slope of the line that passes through the point (-13, -8) and (13, 8)

8/13

13/8

-8/13

-13/8

- Multiple ChoicePlease save your changes before editing any questions.
The graph of f(x) = x has been transformed to g(x) = f(x) - 3. What shift does this indicate?

A vertical shift up 3 units

A vertical shift down 3 units.

A horizontal shift left 3 units.

The graph will become less steep.

- Multiple ChoicePlease save your changes before editing any questions.
What is the equation of a line perpendicular to the one graphed and passes through the point (2, 2)?

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

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

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

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

- Multiple ChoicePlease save your changes before editing any questions.
Each month, Mr. Disen pays $700 for rent, plus an additional fee of $5.95 for every terabyte of internet bandwidth he uses. Which function can find Mr. Disen's total monthly cost (y), based on the number of terabytes of data he uses (x)?

y = 700 - 5.95x

y = 5.95x

y = 700x + 5.95

y = 700 + 5.95x

- Multiple ChoicePlease save your changes before editing any questions.
Find the rate of change.

2

-2

1/2

-1/2

- Multiple ChoicePlease save your changes before editing any questions.
y varies directly with x. Which equation maps the relationship if y = 15/4 when x = 20?

y = 20x

y = 15/4x

y = 15/16x

y = 75x

- Multiple ChoicePlease save your changes before editing any questions.
Which equation represents a line that passes through (-1, 15) and (-2, 10)?

5x + y = -20

5x + y = 20

5x - y = -20

5x - y = 20

- Multiple ChoicePlease save your changes before editing any questions.
$\left\{a_{5\ }=\ 21,\ a_{6\ }=\ 17,\ a_7^{\ }=\ 13\right\}$ Which equation models this sequence?

y = -4n + 45

y = -4n + 15

y = -4n + 41

y = -4n + 33