1. The equation
can be transformed as
x2-4
a. x2 - 4x - 20=0
c. x2 -- 5x-4=0
b. x2 - 5x-6=0 d. x2 - 5x-10=0
2. The quadratic equations whose roots are and
a. x-x+1=0
c. x2 - 5x - 14 = 0
b. x? - 5x-6=0
d. 6x2 - 13x+6=0
3. The quadratic equations has the roots x=2 or x=-6 can be written in
standard form as
a. x2 + 4x - 12=0
c. x2 - 2x - 12 = 0
b. x2 + 4x + 12 = 0
d. x2 + 2x + 12 = 0
4. Find the roots of - *
a 2 and -6
b.-2 and 6 c.-2 and 6 d. 2 and 6
5. The solution of the equation (x - 1)(x-6)= 24 are
a. -9 and 2
b. 9 and -2 C. -9 and -2 d. 9 and 2
I-3
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Answer:
1. b po
2.a.
3.b.
4c.
5.b
yan po answer