Chapter 4 Quiz Review

The equation V = -32t + 256 and the graph below describe the velocity V in feet per second of a ball t seconds after is shot into the air. What is the ball's velocity after seven seconds?

• 256 ft/s

• 32 ft/s

• 0 ft/s

• 480 ft/s

Which graph is the graph of 3(y - 3) = -2x?

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Which graph is the graph of y = 3/2x-4

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Which graph is the graph of 1/3x + 5/6y = 5

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Write an equation in slope-intercept form of a line with a slope of 3/4 and a y-intercept of -2.

• $y\ =\ \frac{3}{4}x-2$

• $y\ =\ -2x\ +\frac{3}{4}$

• $y\ =\ \frac{3}{4}x\ +\ 2$

• $x\ =\ \frac{3}{4}y\ -\ 2$

A rental car company charges $75 for a 3-day rental and $155 for a 7-day rental. Write an equation to find the amount that the rental car company will charge for any number of days.

• y = 20x

• y = 20x + 15

• y = 80x

• y = 80x – 165

A ticket service is selling tickets to a concert. An order of 4 tickets has a price of $63 and an order of 6 tickets has a price of $92. Write an equation to find the price of any amount of tickets.

• $y\ =\ \frac{29}{2}x\ +\ 5$

• $y\ =\ -\frac{29}{2}x\ +\ 121$

• $y\ =\ \frac{29}{2}x$

• $y\ =\ -\frac{29}{2}x$

Which equation describes the line that contains the points (7, 17) and (15, 33)?

• y = -2x + 31

• $y\ =\frac{1\text{}}{2}x\ +\frac{27}{2}$

• y = 2x + 3

• $y=-\frac{1}{2}x\ +\ \frac{41}{2}$

Which equation describes the line that contains the points (-1, -8) and (-9, -21)?

• $y\ =\ -\frac{13}{8}x-\frac{77}{8}$

• $y=\frac{8}{13}x-\frac{96}{13}$

• $y=-\frac{8}{13}x-\frac{112}{13}$

• $y=\frac{13}{8}x-\frac{51}{8}$

Which equation describes the line that contains the points (-5, 2) and (3, 7)?

• $y=-\frac{5}{8}x-\frac{9}{8}$

• $y=\frac{5}{8}x+\frac{41}{8}$

• $y=\frac{8}{5}x+10$

• $y=-\frac{8}{5}x-6$