TEST QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) PLUS RATIONALES -2026 |NSTANT
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1. If 3x+5=203x + 5 = 203x+5=20, what is the value of xxx?
A. 3
B. 4
C. 5
D. 6
Answer: C
Subtract 5: 3x=153x = 153x=15; divide by 3 → x=5x = 5x=5.
2. What is the slope of the line passing through (2, 4) and (6,
12)?
A. 1
B. 2
C. 3
D. 4
Answer: B
Slope = (12−4)/(6−2) = 8/4 = 2.
3. If f(x)=x2−4f(x) = x^2 − 4f(x)=x2−4, what is f(3)f(3)f(3)?
A. 5
B. 7
C. 9
D. 13
,Answer: A
3²−4=9−4=5.
4. 81=?\sqrt{81} = ?81=?
A. 7
B. 8
C. 9
D. 10
Answer: C
Square root of 81 is 9.
5. A triangle has angles 40° and 60°. What is the third angle?
A. 60°
B. 70°
C. 80°
D. 90°
Answer: C
Sum of angles = 180° → 180−(40+60)=80°.
6. What is 25% of 200?
A. 25
B. 40
C. 50
D. 75
Answer: C
25% = 1/4 → 200×1/4=50.
7. Solve 2(x−3)=102(x − 3) = 102(x−3)=10.
A. 5
B. 6
, C. 7
D. 8
Answer: B
Divide both sides by 2 → x−3=5 → x=8.
✅ Correction: x=8 → Answer D.
8. Area of a rectangle with length 8 and width 5?
A. 13
B. 20
C. 40
D. 80
Answer: C
Area = length×width → 8×5=40.
9. If x:y=2:5x:y = 2:5x:y=2:5 and y=20y=20y=20, what is xxx?
A. 4
B. 6
C. 8
D. 10
Answer: C
Each ratio unit = 4; x=2×4=8.
10. Solve x2=16x^2=16x2=16.
A. 4
B. −4
C. ±4
D. 8
Answer: C
Both +4 and −4 satisfy the equation.