Illustrative Math - Algebra 2 - Unit 3 - Lesson 7

Noah solved the equation 5x^{2}=45. Here are his steps: Do you agree with Noah? Explain your reasoning.

Tags

A.REI.2

A.REI.1

A.REI.4.b

Which is a solution to the equation \sqrt{5-x}+13=4?

• 86
• 81
• 9
• The equation has no solution.

Tags

A.REI.2

A.REI.1

A.REI.4.b

Which are the solutions to the equation x^{2}=36?

• 6 only
• -6 only
• 6 and -6
• This equation has no solutions

Tags

A.REI.2

A.REI.1

A.REI.4.b