1. Write each quadratic equation in standard form, ax2 + bx + c = 0 then identify the values of a, b, and c. Equations:
1. 5 – 2x2 = 6x
a = ______
b = _____
c= ______
2. (x + 3) (x + 4) = 0
a = ______
b = _____
c = ______
3. 2x(x – 3) = 15
a = ______
b = _____
c = ______
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Answer:
1. 2x^2 + 6x - 5 = 0
a = 2
b = 6
c = -5
2. x^2 + 7x + 12= 0
a = 1
b = 7
c = 12
3. 2x^2 - 6x - 15 = 0
a = 2
b = -6
c = -15