Math Final Study Guide

Which equation below is equivalent to

y = 2x - 3

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Solve for m: 4p = 4 + 2(m – p)

• m = 3p – 2

• m = 3p +2

• m = 6p + 4

• m = 3p + 4

Marta’s jump rope is 25 inches shorter than one and half times the length of Dilbert’s rope. If both their ropes laid together end to end measure 221 inches long, how long is Marta’s jump rope?

• -122.6 inches longer

• 122.6 inches longer

• 76.8 inches longer

• I don't understand

• x = 3

• x= 15

• x = -5

• x = 5

Aqua Town charges $4.50 admission plus $0.75 for each ride. The cost at Wet World is $2.50 admission plus $1.25 per ride. Let x equal the number of rides. Write an expression for each park to show the relationship between the total cost and the number of rides.

• Aqua Town: $4.50 + $0.75x

  Wet World: $2.50 + $1.25x

• Aqua Town: $0.75 + $4.50x

  Wet World: $1.25 + $1.25x

• Aqua Town: $5.25x

  Wet World: $3.75x

• Aqua Town: $2.50 + $1.25x

  Wet World: $4.50 + 0.75x

Solve for x

• x = 10

• x = -20

• x = 21

• x = 20

Jasmine traveled 2 miles in 20 minutes on her bike. She went the same speed for another hour. How far had she traveled during the entire hour and 20 minutes? Explain how you know.

• 7 miles

• 12 miles

• 8 miles

• 4 miles

Magga has exactly $25 to spend on a new pair of pants. If sales tax is 8.25% where Magga lives, what is the absolute most she can spend on the pants to stay within her $25 budget?

• $23.09

• $20.76

• $24

• $22.90

If I put $500 into an account and left it alone for three years earning simple interest, and at the end of three years I withdrew $650, what interest rate was I earning? Explain.

• 11%

• 10%

• 14.6%

• 9.9%

• x = -20.25

• x = 21

• x = 18.3

• x = 20.25