Quiz about Spiral Review 2/29/24

Question 1

Which of the following is an example of an irrational number?

Accepted Answer

$$\sqrt{2}$$

Answer

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

Answer

$$3.14$$

Answer

$$5$$

Question 2

Solve the multistep equation: $$3x - 4 = 2(x + 5)$$ .

Accepted Answer

$$x = 14$$

Answer

$$x = 9$$

Answer

$$x = 19$$

Answer

$$x = -14$$

Question 3

If the sales tax rate is 7%, how much tax would you pay on an item that costs $50?

Accepted Answer

$3.50

Answer

$3.55

Answer

$3.75

Answer

$4.00

Question 4

A salesperson earns a commission of 5% on sales. If they make $2000 in sales, how much commission do they earn?

Accepted Answer

$100

Answer

$200

Answer

$150

Answer

$250

Question 5

What is the compound probability of flipping a coin and getting heads, and then rolling a six-sided die and getting a 4?

Accepted Answer

$$\frac{1}{12}$$

Answer

$$\frac{1}{6}$$

Answer

$$\frac{1}{3}$$

Answer

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

Question 6

Classify the number $$-\frac{3}{4}$$ .

Accepted Answer

Rational

Answer

Irrational

Answer

Integer

Answer

Whole number

Question 7

Solve the multistep equation: $$2(3x + 4) = 5x + 10$$ .

Accepted Answer

$$x = 2$$

Answer

$$x = 4$$

Answer

$$x = 6$$

Answer

$$x = 8$$

Question 8

If a shirt costs $40 and the sales tax is 5%, what is the total cost of the shirt?

Accepted Answer

$42

Accepted Answer

$42.00

Answer

$42.50

Answer

$44

Question 9

A real estate agent receives a 3% commission on the selling price of a house. If the house sells for $250,000, how much is the commission?

Accepted Answer

$7,500

Answer

$7,000

Answer

$7,250

Answer

$8,000

Question 10

Mrs. Eudy has 30 marbles. 10 red, 15 blue, and 5 yellow. What is the probability drawing a red marble not replacing it and then drawing a yellow marble?

Accepted Answer

$$\frac{5}{87}$$

Answer

$$\frac{50}{870}$$

Answer

$$\frac{15}{59}$$

Answer

$$\frac{1}{18}$$

Question 11

Classify the number $$\sqrt{49}$$ .

Accepted Answer

Rational

Answer

Irrational

Answer

Integer

Answer

Whole number

Question 12

Solve the multistep equation: $$5(x-2)+3=2x+14$$ .

Accepted Answer

$$x = 7$$

Answer

$$x = 4$$

Answer

$$x = 5$$

Answer

$$x = 6$$

Question 13

If the price of a laptop is $1200 and a 10% discount is applied, how much is the discount?

Accepted Answer

$120

Answer

$130

Answer

$140

Answer

$150

Question 14

A bag contains 3 red marbles, 4 blue marbles, and 5 green marbles. What is the compound probability of drawing a red marble and then, without replacement, drawing a blue marble?

Accepted Answer

$$\frac{1}{11}$$

Answer

$$\frac{3}{44}$$

Answer

$$\frac{12}{55}$$

Answer

$$\frac{1}{4}$$

Question 15

Classify the number $$\pi$$ .

Accepted Answer

Irrational

Answer

Rational

Answer

Integer

Answer

Whole number

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