Algebra Midterm Review Virginia

Given the graphed function , what is the slope of the line?

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OFF

Given the graphed function, what is the slope of the line?

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OFF

Given the slope is -4 and the y-intercept is 3, write a linear equation in slope-intercept form.

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Which equation has a slope of 1 and a y-intercept of -9?

• y = -9x + 1

• y = 1/3x + 9

• y = x - 9

• y = -x - 9

Mathematical Equivalence

ON

This is an example of:

(a)  

• Exponential Growth

• Linear Growth

• Linear Decay

• Exponential Decay

Monica rents her bike to tourists for 2 dollars per hour. The deposit for the bike is 12 dollars. Which equation below matches this situation?

• y=12-2x

• y = 2x -12

• y = -2x +12

• y = 2x + 12

• y = -2x - 12

Monica rents her bike to tourists for 7 dollars per hour. There is no deposit required to rent the bike. Which equation below matches this situation?

• y = 7x

• y = x + 7

• y = -7x

• y = -x - 7

Select the graph of a line with a slope of 1 and a y-intercept of -8.

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The cost of renting a kayak can be determined by the linear equation below. f(x) = 25.50x + 125 where f(x) is the total cost of renting the kayak and x is the number of hours the kayak is being rented. What does the slope of this linear equation represent?

• cost per hour

• the initial fee for renting the kayak

• number of hours

• total cost to rent the kayak