1. Determine the zeros of each function by factoring (3 marks each):

a. f(x) = – 2×2 – 5x +12

b. f(x) = 2×2

-3x-2

c. f(x) = x

2

-10x+24

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Quadratic Functions Assignment Number 2

2. Solve the following using the quadratic formula. Simplify and give exact answers only. State

imaginary answers as no solutions (3 marks each).

a. 3×2 + x –2 = 0

b. x

2 – 5x + 7 = 0

3. Without solving each equation, determine the number of solutions. Show all work (3 marks

each).

a. 4×2 – 12x + 9 = 0

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Quadratic Functions Assignment Number 2

b. 2×2 + 5x – 1 = 0

c. x

2 – 2x + 3 = 0

4. For what values of k does:

a. kx

2 + 12x + 9 = 0 have imaginary roots?

b. 2×2 + kx + 8 = 0 have 2 real solutions?

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