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1. Determine the value(s) of k that give equal roots for the equation: f(x)= x 2 +4x +k? (a) 2 (b) 2 (c) 4 (d) 4

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Page 1: Pretest

1. Determine the value(s) of k that give equal roots for the equation:f(x) = x2 + 4x + k ? 

(a) ­2 (b)  2 (c)  ­ 4 (d)  4

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2.  The nature of roots for the equation 13x2 ­ 15x = 4 are: 

(a) two real roots (b) imaginary roots (c) one real root

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3. Solve for "x" if  = 2x ­ 3 

(a) x = 7 (b)  x = ­1 (c) x = 1 (d) x = 147

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4. Find the equation with integer coefficients given the roots: 

3 + 9i10

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5. Solve for "x" given:  x + 8 =  10x ­ 81

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6. Solve for "x" if  x3

1 = 6 ­ 2x

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