Which of the following is the independent variable in the equation below? F(t) = 4t + 9
A. f
B. 9
C. t
D. 4
An independent variable is a variable that is manipulated or changed in the experiment. From the given equation, t is an independent variable, which when changed changes the values of the f(t).
Therefore, the Correct Answer is C.
More Questions on TEAS 7 Math
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Q #1: Which of the following is the decimal form of 87.5%?
A. 8,750
B. 875
C. 8.75
D. 0.875
Answer Explanation
Percentages are fractions with denominator equal to 100. The given percent is divided by 100. To convert it to a decimal form, we move the decimal point two points to the left from the current position. Thus
The decimal form of 87.5% is 0.875.
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Q #2: To determine the cost of a pizza, the pizza parlor considers the diameter of the pizza, the number of toppings, and the amount of cheese. Which of the following is the dependent variable?
A. Amount of pizza
B. Dimeter of the pizza
C. Cost of the pizza
D. Number of toppings
Answer Explanation
We are asked to find the dependent variable from the given scenario. A dependent variable is one which varies with another variable. In this case, the cost of the pizza will change with the change in diameter of the pizza, number of toppings, and amount of cheese. In other words, the cost of the pizza depends on the three variables.
Therefore, cost is the dependent variable while the diameter of the pizza, number of toppings and amount of cheese are independent variables.
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Q #3: Which of the following is the total number of whole boxes that measure 2 ft * 2 ft * 2 ft that can be stored in a room that measures 9 ft * 9 ft * 9 ft, if the size of the boxes cannot be altered?
A. 125
B. 64
C. 92
D. 18
Answer Explanation
The number of boxes is determined by finding the volume of the room divided by the volume of the box.
Number of boxes
The approximate number of boxes that can be stored in the room is 92.
