Algebra I: Review of Linear Functions

Which point lies on the graph of the line  $y=3x-4$  ?

• (3, -4)

• (-4, 0)

• (-1, -7)

• (1, 1)

A rental car company charges a flat fee of $25.00 and an additional $0.05 per mile. Which of the following functions gives the cost, c, of the rental car as a function of the number of miles, m, driven?

• $c=0.05m+25$

• $c=25m+0.05$

• $c=25\left(m+0.05\right)$

• $c=0.05m-25$

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSF.BF.A.1

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Which of the following is the slope of a line that passes through the points (-4, 6) and (2, -9)

• $\frac{3}{2}$

• $-\frac{15}{2}$

• $-\frac{3}{2}$

• $-\frac{5}{2}$

If  $f\left(n\right)=\frac{1}{3}n-6$  , then which of the following is the value of  $f\left(-6\right)$  

• -12

• 0

• -8

• -4

If  $f\left(n\right)=\frac{1}{3}x+2$  , then what value of n would make  $f\left(n\right)=\frac{10}{3}$  

• 4

• 13

• 0

• 7

If a line is drawn parallel to the x-axis through the point (5, -2), then its equation would be

• $y=5x-2$

• $y=x+5$

• $x=5$

• $y=-2$

A line of slope 4 passes through the point (5, 7). Which of the following is the value of its y-intercept?

• 7

• -13

• 27

• 12

 $h\left(t\right)=-.03\left(t-20\right)^2+12$ models the height of a ball after it has been kicked where t is the time in seconds and the height is measured in feet.  What does  $h\left(2\right)$  mean in the context of this problem?

• The time when the ball was 2 feet above the ground

• The answer you get when you plug in 2

• The initial height of the ball

• The height of the ball after 2 seconds

Using  $f\left(x\right)$  graphed above, find  $f\left(-3\right)$  

• 1

• -1

• 3

• -3

Using  $f\left(x\right)$  graphed above, find  $f\left(1\right)$  

• 1

• 6

• 0

• -3