Intro to Solving Quadratics (Opposite Operations) HW

What is the opposite operation of addition?

• subtraction

• multiplication

• division

• square root

What is the opposite operation of multiplication?

• addition

• subtraction

• division

• square root

What is the opposite operation of squaring a number?

• taking the square root

• dividing

• multiplying

• subtracting

What is another word for "square root"?

• squared

• radical

• multiply

• division

What is the square root of 100?

√100=

• 10

• between 10 and 11

• 11

• 50

What is the square root of 121?

√121=

• 10

• between 10 and 11

• 11

• 60.5

What is the square root of 101?

√101=

• 10

• between 10 and 11

• 11

• 50

What is the square root of 25?

(What times itself is 25?)

√25=

• ±12.5

• ±5

• ±5.2581

• ±6

What is the square root of 5?

(What times itself is 5?)

√5=

• ±5

• ±25

• ±2

• ±2.23607...

How do you solve 9x - 4 = 23

• divide both sides by 4, then add 9

• add 4 to both sides, then divide both sides by 9

• divide both sides by 9, then add 4

• add 4 to both sides, then divide by 23