Warm-up 2/13 factoring quadratics

Factor: 49x² - 100

• (49x + 100)(x - 1)
• (7x - 10)(7x + 10)
• (49x - 10)(x + 10)
• (7x -10)(7x - 10)

What are the factors of x²-8x-48

• (x-12)(x+4)
• (x+12)(x-4)
• (x+12)(x+4)
• (x-12)(x-4)

Find the factors of x²-81

• (x-9)(x+9)
• (x+9)(x+9)
• (x-9)(x-9)
• Can't be factored

Factor:
x² + 2x - 24

• (x - 6)(x + 4)
• (x + 6)(x + 4)
• (x - 6)(x - 4)
• (x + 6)(x - 4)

Factor
k² - 2k - 24

• (k+4)(k-6)
• (k+4)(k+6)
• (k+6)(k-1)
• (k-4)(k+6)

x² − 7x − 18

• (x − 9)(x + 2)

• (x + 9)(x + 2)

• (x − 9)(x - 2)

• (x − 9)(x - 2)

p² − 5p − 14

• ( p + 2)( p + 7)

• ( p + 2)( p − 7)

• ( p - 2)( p − 7)

• ( p - 2)( p + 7)

m² − 9m + 8

• (m + 1)(m − 8)

• (m − 1)(m + 8)

• (m − 1)(m − 8)

• (m + 1)(m + 8)

Solve using the quadratic formula...

9x² = 4 + 7x

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• No solution