TEKS.MATH.7.4D

Do the ratios form a proportion?

• Yes, they form a proportion.
• No, they do not form a proportion.

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TEKS.MATH.7.4D

Which of the following functions shows an initial amount of $15 and an increase of 35% each year?

• y = 15(35)^x
• y = 15(1.35)^x
• y = 15(0.35)^x
• y = 35(1.15)^x

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TEKS.MATH.7.4D

What is 30% of 50?

• 16
• 16.3
• 17.4
• 15

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TEKS.MATH.7.4D

$2.99 toy; 30% discount

• $30.00
• $2.09
• $.90
• $4.00

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TEKS.MATH.7.4D

Madi took a test.  Out of 12 questions, she answered nine correctly.  What percent of the questions did she score correctly?

• 25%
• 50%
• 75%
• 80%

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TEKS.MATH.7.4D

Change 4% to a decimal.

• .04
• .004
• .4
• 4

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TEKS.MATH.7.4D

lf Linda borrows $5,500 for 3 years at 4%, how much will she have to pay back each month?

• $6160.00
• $336.11
• $171.11
• $660.00

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TEKS.MATH.7.4D

The expression 12(1.015)^t models the population of elephants in a wildlife refuge after t years since 1975.
What does the value 1.015 represent?

• The number of elephants was 1,015 in 1975.
• The number of elephants increases by 1.5% each year.
• The number of elephants increases by 101.5% each year.
• The number of elephants is multiplied by 1.015 each year.

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TEKS.MATH.7.4D

Mrs. Ciampa had 27 students in her class last year and this year she had 30 students in her math class. What is the percent of change?

• 24%
• 10%
• 11%
• 50%

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TEKS.MATH.7.4D

Kate had $2,251.35 in her bank account. Currently, she has $1,975.86 in her account. Find the percent of change rounded to the nearest percent.

• 12% decrease
• 12% increase
• 14% increase
• 14% decrease

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TEKS.MATH.7.4D