What is the range of the graph of y = 5(x – 2)2 + 7?
What is the vertex of the graph of y = –4(x + 2)2 + 5?
Solve. 3x2 – 75 = 0
What is the value of the discriminant of 2x2 – 3x – 7 = 0?
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What is the vertex of the graph of y = –4(x + 2)2 + 5?
Solve. 3x2 – 75 = 0
What is the value of the discriminant of 2x2 – 3x – 7 = 0?
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range: y > 7
3x^2 = 75
x^2 = 25
x= + or - 5
discriminant is b^2-4ac = 9-4(2)(-7) = 9+56 = 65
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