A.rewrite each quadratic function f(x) = ax² + bx + c in the form f(x) = a(x - h)² + k.
1. y = x² - x² - 12x + 19
2. y = 2x² - 20x + 47
3. y = 3x² + 24x + 46
4. y = x² + 18x
5. y = 7x² - 14x - 1
1. y = x² - x² - 12x + 19
2. y = 2x² - 20x + 47
3. y = 3x² + 24x + 46
4. y = x² + 18x
5. y = 7x² - 14x - 1
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Answer:
1. y= x²-12x+19
f(x)= x²-12x+19=0
f(x)=(x-6)²-17
2. y=2x²-20x+47
f(x)= 2x²-20x+47=0
f(x)= 2(x-5)²-3
3. y=3x²+24x+46
f(x)= 3x²+24x+46=0
f(x)= 3(x+4)²-2
4. y=x²+18x
f(x)= x²+18x=0
f(x)= (x+9)²-81
5. y=7x²-14x-1
f(x)= 7x²-14x-1=0
f(x)= 7(x-1)²-8
Step-by-step explanation:
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