Direction: Write the quadratic equation in standard form ax²+bx+c=0 and identify the values of a, b and c.
1) 6s-2s²=0
2) 3x(x+5)-12=0
3) (x+7) (x+2)=0
4) (x-4) (x-4)=12
5) (2m+2) (m+3) = (m-3)²
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Answers & Comments
Direction: Write the quadratic equation in standard form ax²+bx+c=0 and identify the values of a, b and c.
Answer:
1) 6s-2s²=0
STANDARD FORM → -2s²+6s=0
a → -2
b → 6
c → 0
2) 3x(x+5)-12=0
STANDARD FORM → 3x²+15x-12=0
a → 3
b → 15
c → -12
3) (x+7) (x+2)=0
STANDARD FORM → x²+9x+14=0
a → 1
b → 9
c → 14
4) (x-4) (x-4)=12
STANDARD FORM → x²-8x+16=0
a → 1
b → -8
c → 16
5) (2m+2) (m+3) = (m-3)²
STANDARD FORM → m²+14m-3=0
a → 1
b → 14
c → -3
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