Question

1. The square of a number equals nine times that number. Find the number.
A Oor 2
C.0 or 6
B. O or 3
0.0 or 9
2. The area of a square is 4x2 + 12x + 9 square units. Which expression represents the
length of the side?
A (3x + 2) unit
C. (4x +9) units
B. (2x + 3) units
D. (4x + 3) units
3. Forty-nine less than the square of a number equals zero. Find the number.
A -3 or 3
C. -13 or 13
B. -7 or 7
D. O or 9
4. The area of triangle is 80 cm. If the height of the triangle is 6 cm less than its base,
find the base and its height
A b=20 cm, h= 16 cm
C.b= 35 cm, h= 31 cm
D. b = 16 cm, h= 10 cm
B. b= 10 cm, h= 6 cm
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Answer 1

Answer:

1. d) 0 or 9

2. b) 2x +3 units

3.b ) -7 or 7

4.c) b=16,h=10cm

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