Algebra 2

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.

Tags

CCSS.HSA-REI.B.4B

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

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

Can this quadratic be solved by BOTH square root method AND difference of squares?
16x² - 25 = 0

• Yes!
• No - just square root method
• No - just difference of squares method

Tags

CCSS.HSA-REI.B.4B

Can this quadratic be solved by BOTH square root method AND difference of squares?
2x² - 7 = 0

• Yes!
• No - just square root method
• No - just difference of squares method

Tags

CCSS.HSA-REI.B.4B

Solve:
x² - 49 = 0

• x = -7, x = 7
• x = -7
• x = 7
• x = -7, x = 1

Tags

CCSS.HSA-REI.B.4B

Identify the 'b' value in the equation: -8x + 16x² -24 = 0

• 16

• -8

• 8

• -24

Factor x² + 6x + 9 and solve for x. 

• (x+3)(x+3); x = -3
• (x+4)(x+5); x=-4, -5
• (x-3)(x-3); x=3
• Not factorable

Solve      3x^2 - 192 = 0

• -32 or 32
• No Solution
• -8 or 8
• -64 or 64

Tags

CCSS.8.EE.A.2

Solve    2x^2 + 7x - 15 = 0

• -1.5 or 5
• No Solution
• -5 or 1.5
• 0.7 or 5

3x² = 12

• ± 2
• 2
• ± √12
• ± 4

Tags

CCSS.8.EE.A.2