Solve Quadratic Equations by Quadratic Formula

What is this formula?

• Speed of Light Formula

• Quadratic Formula

• Chemical Formula for Glucose

• Standard Form of Quadratics

Tags

CCSS.HSA-REI.B.4B

The quadratic formula can be used to solve quadratic equations that cannot be factored.

• True

• False

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to find the solutions for
2x² - 9x + 5 = 0

• -8.14 and 6.14

• -4.07 and 3.07

• 3.85 and 0.65

• ZERO solutions

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

Mathematical Equivalence

ON

Tags

CCSS.HSA-REI.B.4B

Mathematical Equivalence

ON

Tags

CCSS.HSA-REI.B.4B

Mathematical Equivalence

ON

Tags

CCSS.HSA-REI.B.4B

Solve:
 -2x² + 4x = 9

• (2 - i√14)/2   ,  (2 + i√14)/2

• (2 - i√-56)/2   ,  (2 + i√-56)/2

• (2 - i√-14)/2   ,  (2 + i√-14)/2

• (2 - √14)/2   ,  (2 + √14)/2

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Mathematical Equivalence

ON

Tags

CCSS.HSA-REI.B.4B

Mathematical Equivalence

ON

Tags

CCSS.HSA-REI.B.4B