Skills Check Factoring (after the HW Check)

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Presentation transcript:

Skills Check Factoring (after the HW Check)

Homework Check

Skill Check Factoring (Now)

Solve by Factoring Standard Form of a Quadratic: ax2 + bx + c = 0 Get the equation into standard form and equal to zero. Factor the quadratic to create two binomials with the variable as the first term and set it equal to zero… (x )(x )= 0 Set each binomial equal to zero and solve each one for your variable.

Solve by Factoring (a=1) 1. x2 – x – 56 = 0 x = -7 x = 8

Solve by Factoring (a=1) 2. 8x + x2 + 7 = 0 x = -7 x = -1

Solve by Factoring (a=1) 3. n2 – 11n + 18 = 8 n = 10 n = 1

Solve by Factoring (a=1) 4. 6n2 – 24n + 35 = 35 n = 0 n = 4

Solve by Factoring (GCF) 5. 2x2 – 108 = – 6x x = -9 x = 6

Solve by Factoring (GCF) 6. 3x2 + 9x – 54 = 0 x = -6 x = 3

Solve by Factoring (DOTS) 7. 9x2 – 64 = 0 x = -8/3 x = 8/3

Solve by Factoring (a>1) 8. 6x2 + 11x + 4 = 0 x = -4/3 x = -1/2