Solving Systems of Equations with Substitution

What is the name of the website mentioned for additional help?

• mathhelp.com

• mathvideos.com

• mathmeeting.com

• mathsolutions.com

Tags

CCSS.8.EE.C.7B

What method is being taught in the video for solving systems of equations?

• Matrix method

• Graphing method

• Substitution method

• Elimination method

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the first step in solving a system of equations using the substitution method?

• Check the solution

• Distribute and simplify

• Solve one equation for y or x

• Combine like terms

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

In the given example, which variable is solved for first?

• x

• y

• w

• z

What is the second step after solving one equation for a variable?

• Combine like terms

• Substitute the solved variable into the other equation

• Check the solution

• Graph the equations

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the result of substituting y = 12 - 5x into the second equation?

• 2x - 3(12 + 5x) = -2

• 2x + 3(12 + 5x) = -2

• 2x + 3(12 - 5x) = -2

• 2x - 3(12 - 5x) = -2

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the value of x after solving the equation 2x + 15x - 36 = -2?

• x = 3

• x = 4

• x = 1

• x = 2

Tags

CCSS.8.EE.C.7B

What is the next step after finding the value of x?

• Check the solution

• Substitute x back into any equation to find y

• Combine like terms

• Graph the equations

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the final value of y when x = 2?

• y = 1

• y = 2

• y = 3

• y = 4

How should the final answer be written?

• As an inequality

• As a coordinate pair

• As a decimal

• As a fraction