Which of the following is the independent variable in the equation below? f(t)=4t+9

A. f

B. 9

C. t

D. 4

Answer Explanation:

From the given equation, the variable t is varied to obtain the value of f(t). This means that t is an independent variable, modified variable while f(t) is a dependent variable, a measured value.

Therefore, the Correct Answer is C.

Q #1: What is the least common denominator for the fractions below? (Round the answer to the nearest integer) 1/2, 2/3, 4/5

A. 30

B. 25

C. 7

D. 19

Answer Explanation

We determine least common denominator (LCD) using prime factorization of denominators as follows

2=1*2

3=1*3

5=1*5

Thus, LCD of 2, 3, 5 = 2*3*5=30
Q #2: Which of the following expressions represents the sum of three times a number and eight times a different number?

A. 3x+8y

B. 8x+3x

C. 3x-8y

D. 8x-3y

Answer Explanation

Let two numbers be x and y. Then

Three time a number=3x

Eight times a different number = 8y

Sum of the two is 3x+8y
Q #3: Which of the following is the decimal form of 87.5%?

A. 875

B. 8,750

C. 0.875

D. 8.75

Answer Explanation

The decimal equivalent of the percentage is the percentage value divided by 100. Thus

87.5%=87.5/100=0.875

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Which of the following is the independent variable in the equation below? f(t)=4t+9

More Questions on TEAS 7 Math

Q #1: What is the least common denominator for the fractions below? (Round the answer to the nearest integer) 1/2, 2/3, 4/5

Answer Explanation

Q #2: Which of the following expressions represents the sum of three times a number and eight times a different number?

Answer Explanation

Q #3: Which of the following is the decimal form of 87.5%?

Answer Explanation

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