MA2B Review Block 5/6

How would you find the value of x?

• Divide 7.5 by 12 and multiply that number by 4

• Find the area

• Divide 12 by 7.5 and multiply that number by 4

• Subtract 12-7.5

The amount, y, a school spends on books is given by the equation y = 0.05x. x is the school's total budget. The school spends $1400 on books in a year. What is the school's total budget?

• $20,000

• $70

• $28,000

• $7,000

The price of a can of hairspray was increased by 34%. The original price was $4. Write an expression equivalent to the new price, in dollars?

• 1.34⋅4

• .34(4)

• 134+4

• 4 + (0.34⋅4)

A city designer builds a scale model of a building. The height of the model is 9% of the height of the original building. Write an equation that can be used to find the height of the model building.

• y=9x

• y=.09x

What is the unit rate of this line?

• 75 photos per second

• 25 photos per second

• 50 photos per second

• 100 photos per second

What is the initial value on this graph?

• 0

• 1.44

• 1.5

• 6

Which equation models this line?

• y=1.5x

• y=0.25x

• y=4x

• y=5x+20

Which equation matches Amal's charges over time?

• y=75x

• y=50x

• y=75x+50

• y=50x+75

Which statement is true?

• The unit rate is $45 per hour

• Zoe's initial value is $30

• Mimi always has $30 more than Zoe

• At 4 hours, Mimi has $60

Select all that apply. Which graphs show the equation y = 2x ?

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