Solving Quadratics by Graphing, Factoring, and Square Root Methods

Which method is most efficient for solving: x²=25

• Square Root Method

• Quadratic Formula

• Factoring

Tags

CCSS.HSA-REI.B.4B

Which method is most efficient for solving:

x²-7x-18= 0

• Square Root Method

• Quadratic Formula

• Factoring

Tags

CCSS.HSA-REI.B.4B

Which method is most efficient for solving:

(x - 3)² = -36

• Square Root Method

• Quadratic Formula

• Factoring

Tags

CCSS.HSA-REI.B.4B

If you were going to use square root method to solve the following, what would you do first?

2(x -3)² = 8

• Distribute the coefficient of 2

• Divide both sides by 2

• Distribute the exponent of 2

• Square root both sides

• A

• B

• C

• D

Tags

CCSS.HSA-REI.B.4B

x² -4 = 77

• 9

• -9

• No Real Solutions

• ±9

Tags

CCSS.8.EE.A.2

Find all solutions to this quadratic equation: x^2-x-6=0

• -2 and 3

• 2 and -3

• only 2

• only 3

Tags

CCSS.HSA-REI.B.4B

What are the solutions to this function?

• x={-2,-1}

• x={-3,-1}

• x={-1,3}

• x={-1,-2}

If you were going to use factoring to solve the following, what would you do first?

x² - 12 = 1x

• make a table

• rainbow and grouping

• move the 1x by subtracting it

• move the -12 by adding it

Tags

CCSS.HSA-REI.B.4B

Which of the following methods is not possible to solve the following: x² -25 = 0

• Quadratic Formula

• Factoring

• Graphing

• Square Root Method

• You can use all of these!

Tags

CCSS.HSA-REI.B.4B