Exploring Rational Expressions in Elmhorst Math STAAR Study

What is the simplified form of the ratio 153 over 225?

• 15 over 23

• 3 over 5

• 9 over 13

• 17 over 25

What factor is used to simplify the ratio 153 over 225?

• 5

• 25

• 9

• 3

Which statement is true based on the dot plot data?

• More athletes have a vertical jump of 34 inches than 33 inches.

• Two tenths of the athletes have a vertical jump of at least 34 inches.

• Half of the athletes have a vertical jump less than 35 inches.

• The least number of athletes had a vertical jump height of 33 inches.

What fraction represents the athletes with a vertical jump of at least 34 inches?

• 4/10

• 2/5

• 1/4

• 1/5

Which statement about Avery and Mason's swimming laps is false?

• Avery can swim six laps in four minutes.

• Mason swims slower than Avery.

• Mason can swim five laps in four minutes.

• Avery can swim two laps farther than Mason in eight minutes.

How do you divide fractions?

• Divide the numerators

• Multiply by the reciprocal

• Add the numerators

• Subtract the denominators

What is the result of multiplying 6 times 5 and then 6 times 4 for the L base calculation?

• 30 and 24

• 15 and 10

• 18 and 12

• 36 and 28

What is the area of a triangle with a base of 16 and a height of 9?

• 72

• 128

• 144

• 45

What is the correct way to solve inequalities?

• Divide both sides by the coefficient of the variable

• Multiply both sides by -1

• Add the same number to both sides

• Cancel and do the opposite on the other side

Which one is the dependent variable in a graph?

• The variable on the right

• The variable on the left

• The variable on the top

• The variable on the bottom