Difference of Perfect Squares Factor

Which of the following methods would be best to solve this equation by Factoring?
25x² - 16 = 0

• Difference of Squares

• GCF

• I-Chart (when a =1)

• Factor by Grouping

Tags

CCSS.HSA-REI.B.4B

When factored, a difference of two squares problem has _______?

• two different signs

• the same sign

• no sign

Tags

CCSS.HSA.APR.C.4

• (x + 4)( x+ 4)

• (x - 4)(x - 4)

• (x - 4)(x + 4)

• (x - 16)(x + 16)

Tags

CCSS.HSA.APR.C.4

Factor x² - 25 = 0.

• (x + 5) (x + 5)

• (x - 25) (x + 1)

• (x - 5) (x + 5)

Tags

CCSS.HSA-REI.B.4B

Factor completely.

121x² - 49

• ( 11x - 7 ) ²

• ( 11x - 7 ) ( 11x - 7 )

• ( 11x + 7 ) ( 11x - 7 )

• ( 12x + 7 ) ( 12x - 7 )

Tags

CCSS.HSA.APR.C.4

Factor completely.

y² - 196

• ( y - 14 ) ( y - 14 )

• ( y + 14 ) ( y - 14 )

• ( y + 13 ) ( y - 13 )

• ( y - 13 ) ²

Tags

CCSS.HSA.APR.C.4

What is the value of the least positive integer n such that the expression shown is a perfect square?

What is the value of the least positive integer n such that the expression shown is a perfect square?

A __________ of a number is one of two equal factors.

• Cube root

• Square root

• Base

• Monomial

Tags

CCSS.8.EE.A.2