Systems Solving Strategy

________________ are two or more equations that have the same variables and work together.

• graphing lines

• elimination method

• system of equations

• table

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is an important step in solving a system by Substitution?

• Make sure both equations are in standard form.

• Make sure at least one equation is solved for one variable.

• Make sure both equations are the same.

• Make sure both equations can be solved.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What would be the first step to solve this system by elimination?

• Add the equations

• Subtract the equations

• Write each equation in slope intercept form.

• Multiple the first equation by 3 or -3

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

To eliminate the x-variable in the system of equations, multiply the second equation by which number?

• -3

• -2

• -1

• 0

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Is the point (-2, 4) a solution to the system of equations shown below?

• yes

• no

If a system of linear equations has infinitely many solutions, what does this mean about the two lines? 

• Intersecting lines

• Same line

• Parallel lines

Tags

CCSS.8.EE.C.8A

Solve the following system. Which statement is true?

• y = -1

• x = -2

• x = 1

• y = -2

Tags

CCSS.HSA.REI.C.9

Which strategy is the best choice for solving this system?

• Elimination

• Elimination with multiplication

• Substitution

• Graphing

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the following system. What is the solution?

• (3, -1)

• (-1, -3)

• (-1, -1)

• (-1, 3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is a true statement?

• x = 2

• y = 2

• x = 5

• y = -5