Quiz about 7th Grade EOY Galileo Ratio/Proportional Relationships Review

Question 1

What value for x makes the two ratios equivalent?

Accepted Answer

$$\frac{8}{15}$$

Answer

$$\frac{4}{5}$$

Answer

$$\frac{5}{4}$$

Answer

$$\frac{15}{8}$$

Question 2

Which is equal to the fraction below?

$$\frac{1}{9}$$

Accepted Answer

$$0.\overline{1}\overline{ }$$

Answer

$$0.1234...$$

Answer

0.11112

Answer

$$0.\overline{19}$$

Question 3

Which is true of the proportional relationship below?

Accepted Answer

For every egg used in the recipe, there needs to be 2 cups of flour.

Answer

For every cup of flour used in the recipe, there needs to be 2 eggs.

Answer

For every two cups of flour used in the recipe, there needs to be 2 eggs.

Answer

For every egg used in the recipe, there needs to be 1 cup of flour.

Question 4

The table below gives the number of boys and girls in four different 1st grade classes.

Does this represent a proportional relationship?

Accepted Answer

No, because $$\frac{12}{16}$$ is not equivalent to $$\frac{13}{13}$$ .

Answer

No, because only one class has more girls than boys.

Answer

Yes, because $$\frac{12}{16}$$ is equivalent to $$\frac{15}{20}$$ .

Answer

Yes, because one class has the same number of boys as girls.

Question 5

Three of the four points below are on the graph of a proportional relationship between the variables x and y.

Which point is NOT on the graph?

Accepted Answer

(2, 5)

Answer

(4, 7)

Answer

(6, 10.5)

Answer

(8, 14)

Question 6

Select the products that are equal to 2.

Accepted Answer

$$\left(-\frac{1}{2}\right)\cdot\left(-4\right)$$

Accepted Answer

$$8\cdot0.25$$

Answer

$$\frac{1}{2}\cdot\left(-4\right)$$

Answer

$$\left(-0.5\right)\cdot\left(-5\right)$$

Question 7

Harrison wants to buy a new baseball glove that costs $37.99. The store charges 7.8% tax for every purchase. If Harrison pays for the glove with a $50 bill, how much change should he receive?

Accepted Answer

$9.05

Answer

$7.14

Answer

$8.14

Answer

$10.05

Question 8

Which equation represents the situation below?

Liam has $27. He spends $27 on a bicycle helmet.

Accepted Answer

$$27\ +\ \left(-27\right)=0$$

Answer

$$\left(-27\right)\ -\ 27\ =\ 0$$

Answer

$$\left(-27\right)+\left(-27\right)=0$$

Answer

$$27-\left(-27\right)=0$$

Question 9

Which number is the opposite 14?

Accepted Answer

$$-14$$

Answer

$$\frac{1}{14}$$

Answer

$$-\frac{1}{14}$$

Answer

1.4

Question 10

The temperature was -13 degrees in the morning.

At noon, the thermometer showed 9 degrees.

What was the change in temperature from the morning to noon?

Accepted Answer

$$22\degree$$

Answer

$$-4\degree$$

Answer

$$4\degree$$

Answer

$$19\degree$$

Question 11

Select the two numbers whose product is 1.

Accepted Answer

$$0.5$$

Accepted Answer

$$2$$

Answer

$$-0.5$$

Answer

$$-\frac{1}{2}$$

Question 12

A bank customer's account balance dropped below the required minimum amount 2 times last month. A $9.75 fee was applied to the account each time. Which expression represents the change in the customer's account balance due to these fees?

Accepted Answer

$$-9.75\cdot2$$

Answer

$$-9.75\cdot\left(-2\right)$$

Answer

$$-9.75\div\left(-2\right)$$

Answer

$$-9.75\div2$$

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