Lesson 1.5: Equations with Cube and Square Roots

​Lesson 1.5:

Equations with Cube and Square Roots​

Some text here about the topic of discussion

​Solving 1 Step Equations with Cube and Square Roots:

Multiple Choice

Solve for x: $$x^2=64$$  

• 64

• 32

• 12

• 8

Multiple Choice

Solve for x: $$x^3=\ 50$$  

• x = 25

• x = 16.7

• x = 7.1

• x = 3.7

​What about multi-step equations?

Isolate the variable!​

Multiple Choice

Solve for x: $$x^2-9\ =\ 40$$  

• x = 49

• x = $$\sqrt[]{31}$$  

• x = 9

• x = 7

​Can we always take the square or cube root of a number?

Multiple Choice

Can the equation be evaluated?

$$x^3=-125$$  

• Yes

• No

Multiple Choice

Can the equation be evaluated?

$$x^2+5\ =\ -20$$  

• Yes

• No

​Conclusion: Write two complete sentences about what you learned.