Accuplacer College Placement ACCUPLACER Quantitative Reasoning, Algebra, and Statistics Test 2

Question 1

Solve for x: 5x − 3 = 2x + 9

Accepted Answer

x = 4

Answer

Subtract 2x from both sides to get 3x − 3 = 9, then add 3 and divide by 3 to find x = 4.

Question 2

Which scatterplot description indicates a strong negative correlation?

Accepted Answer

Points cluster tightly along a line sloping downward

Answer

A strong negative correlation means data points fall close to a downward-sloping line.

Question 3

What is the slope of the line passing through (2, 3) and (6, 11)?

Accepted Answer

2

Answer

Slope = (11 − 3) ÷ (6 − 2) = 8 ÷ 4 = 2.

Question 4

Which inequality is represented by the statement 'twice a number is at most 14'?

Accepted Answer

2n ≤ 14

Answer

'At most 14' means less than or equal to 14, so the inequality is 2n ≤ 14.

Question 5

A survey of 200 students found that 60 prefer math. What percentage prefer math?

Accepted Answer

30%

Answer

(60 ÷ 200) × 100 = 30%.

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