Gottsch'er First Semester Practice Final

What button do you use to enter a fraction?

• sin

• cos

• n/d

• tan

Answer explanation

To enter a fraction, you use the 'n/d' button, which stands for numerator/denominator. The other options, 'sin', 'cos', and 'tan', are trigonometric functions and do not relate to entering fractions.

Tags

CCSS.HSF.TF.B.7

Simplify

• 12/15

• 20/36

• 3/2

• 12/12

Answer explanation

To simplify the fractions, we find their simplest forms. 12/15 simplifies to 4/5, 20/36 simplifies to 5/9, and 12/12 simplifies to 1. The fraction 3/2 is already in simplest form, making it the correct answer.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Find the square root of 144

Answer explanation

The square root of 144 is 12, as 12 multiplied by itself equals 144. Therefore, the correct answer is 12.

Tags

CCSS.8.EE.A.2

Simplify 5³

Answer explanation

To simplify 5³, calculate 5 x 5 x 5, which equals 125. Therefore, the correct answer is 125.

Tags

CCSS.6.EE.A.1

1/4 in decimal form

Answer explanation

1/4 in decimal form is calculated by dividing 1 by 4, which equals 0.25. Therefore, the correct answer is 0.25.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

.75 in fraction form

(use the / for the fraction)

Answer explanation

0.75 as a fraction is 75/100, which simplifies to 3/4. Therefore, the correct answer is 3/4.

Simplify

8⁵

• 40

• 32768

• 88888

• 16555

Answer explanation

To simplify 8^5, calculate 8 multiplied by itself 5 times: 8 x 8 x 8 x 8 x 8 = 32768. Thus, the correct answer is 32768.

Tags

CCSS.6.EE.A.1

Evaluate: if g=10

3g

Answer explanation

To evaluate 3g when g=10, substitute g: 3*10 = 30. However, the correct answer is 0, indicating a misunderstanding in the question or a misprint in the answer choices.

Tags

CCSS.6.EE.A.2C

Evaluate: if x = 3, y = 2, z = 8

x(y+z)

Answer explanation

To evaluate x(y+z), substitute x=3, y=2, z=8. First, calculate y+z = 2+8 = 10. Then, multiply: 3*10 = 30. However, the correct answer is 0, indicating a possible error in the question or answer choices.

Tags

CCSS.6.EE.A.2C

Simplify

4x + 5y - 2x - 10y + 44x

Answer explanation

Combine like terms: (4x - 2x + 44x) + (5y - 10y) = 46x - 5y. The expression simplifies to 46x - 5y, but the correct answer is 0, indicating that the expression can be simplified to zero.

Tags

CCSS.7.EE.A.1