DC CAPE Grade 8 Sample Practice Test
10 sample DC CAPE math questions written for grade 8. Try them now — answers reveal on click. No signup required.
- 1
Geometry
Find the hypotenuse of a right triangle with legs 5 and 5.
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Answer: √50
- 2
Expressions & Equations
Solve for x: 3x + 7 = 22.
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Answer: x = 5
- 3
Functions
If f(x) = 3x + 2, what is f(5)?
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Answer: 17
- 4
Algebra Bridge
What is the slope of the line y = 3x + 6?
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Answer: 3
- 5
Real-World Applications
A bank account earns 6% simple interest per year on $1,000 for 6 years. How much interest is earned?
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Answer: $360
- 6
Statistics & Probability
A scatter plot shows a strong positive trend. What does this tell you about the relationship?
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Answer: As one variable increases, the other increases.
- 7
Number System
Simplify: (6²)³.
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Answer: 46656
- 8
Mathematical Reasoning
If a triangle has angles 50° and 60°, what is the third angle?
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Answer: 70°
- 9
Geometry
Find the hypotenuse of a right triangle with legs 6 and 5.
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Answer: √61
- 10
Expressions & Equations
Solve for x: 3x + 7 = 22.
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Answer: x = 5
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