Alg. 1 CQI 2/22 - 2/25

Solve.

4m² - 100 = 0

• m=25, -25

• m=96

• m=5, -5

• m=-96

Solve.

a² + 2a - 24 = 0

• a = -6, a= 4

• a = 6, a= -4

• a = 12, a= -2

• a = 8, a= -3

Solve.

2x² + 17x + 21 = 0

• x= ^-21/₂, x= -17

• x= ²/₃, x= 16

• x= -7, x= ^-3/₂

• x= 15, x= -³/₇

Solve.

k² - 6 = 43

• k = √37

• k = 37 or - 37

• k = 7, k = -7

• no solution

Solve.

5b² - 4 = 41

• b = 9, b = -9

• b = 3, b = -3

• b = 8, b = -8

• no solution

Determine the values of
a, b, and c for
the quadratic equation: 
4x² – 8x = 3

• a = 4, b = -8, c = 3
• a = 4, b =-8, c =-3
• a = 4, b = 8, c = 3
• a = 4, b = 8, c = -3

What should you do first in solving this equation?
x² + 6x - 13 = 3

• Get factored form
• Write down: a=1, b=6, c=-13
• Make it equal 0 by subtracting 3 on each side
• Type it all in a calculator.

Solve.

4x²+16x+15=0

• x= -5/2, x= -3/2

• (2x+5)(2x+3)

• x= -10, x= -6

• x= 5/2, x= 3/2

Solve using any method.

• A

• B

• C

• D

Solve.

x² - 35x - 36

• x= -1, x= 36

• x= 1, x= -36

• x= -6 x=, 6

• x= -6