Solve Equations using Quadratic Formula

Solve using the Quadratic Formula

x² + 4x − 40 = −8

• x = −10, −4

• x = −4, 10

• x = −8, 4

• x = 8, −4

Tags

CCSS.HSA-REI.B.4B

Solve using the Quadratic Formula:

2x² − x − 3 = 0

• x = −3/2, 1

• x = 3/2, −1

• x = −3/2, & −1

• x = 3/2, 1

Tags

CCSS.HSA-REI.B.4B

Identify the 'b' value: y = 16x² -8x -24

• 16
• -8
• 8
• -24

Identify the 'c' value: y = 16x² -8x -24

• 16
• -8
• 8
• -24

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.1

The quadratic formula can ALWAYS be used to solve quadratic equations .

• True

• False

Solve by completing the square:
k² − 12k + 23 = 0

• {6 + √13, 6 - √13}
• {-6 + √13, -6 - √13}
• {6 + √59, 6 - √59}
• {-6 + √59, -6 - √59}

Tags

CCSS.HSA-REI.B.4B