8. The equation r + 7x - 30 = 0 can be solved by the following technique in solving quadratie
equation except:
A. factoring method B. quadratic formula C. completing the square D extracting square root
9. The quadratic formula is completely derived using the process of
A. factoring method B. quadratic formula C. completing the square D extracting square foot
10. Which of the following is NOT a quadratic equation?
A.X? = 7
Br2 = 16
C. 3x = 2x + 5
D.3-4+
11. If the value of discriminant D is equal to zero, the roots are
A. equal, real
B. unequal, real C. equal, imaginary
D. unequal, non real
12. What is the shortcut method in solving the product of roots of the quadratic equation"
A.
B.
D.
13. Which of the following is not a quadratic inequality?
A. 2x2 + x 35
B. 3x2 + 2x4 Cx² - 4x 50
D8x1161
14. In solving quadratic inequality, what mathematical symbol is used in any interval notations to indicate
that the boundaries are not included?
А. brace
B. brackets
C. parentheses D. closed circles
15. Which of the following is a quadratic function?
A. x = y2
B. y=x
C. y - 4x
D. Ay
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Answer:
A
d
d
d
a
c.
b
a
d
c
d.
c
a
d
c
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