Solve System of Equations by Addition or Substitution

What do you call "more than one equation"?

• equivalent

• algebraic expression

• System of equations

• System of inequalities

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

How do you solve a system of equations?

(CLICK ALL THAT APPLY)

• graphing

• elimination

• substitution

• nSolve

• linSolve

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Two or more equations that are assumed to be true at the same time:

• System of Equations

• Elimination

• Intersection

• System of Inequalities

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Adding or subtracting equations in a system to get rid of one of the variables

• System of Equations

• Elimination

• Intersection

• Substitution

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• F

• G

• H

• J

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution to this system of equations?

• (7, -8)

• (-7, 8)

• (-7, -8)

• (7, 8)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations.

• (-23, 4)

• (-4, -3)

• (-2, -4)

• No solution

• Infinite solutions

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of equations.

(a)  

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solving for one variable by using an equivalent equation to represent the second variable

• System of Equations

• Elimination

• Intersection

• Substitution

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

When one of the equations has a variable with a coefficient of 1, the method most likely to be easiest to use is

• Graphing

• Substitution

• Elimination by Addition

• Elimination by Subtraction

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6