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Laabri

Test #6.2 | Math 8 (Systems of Equations Retake )

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Last updated over 1 year ago
14 Nsɛmmisa
Systems of Equations: Solve by Graphing
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8.EE.8.a
Systems of Equations: Types of Solutions
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8.EE.8.a
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8.EE.8.a
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8.EE.8.a
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8.EE.8.b
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8.EE.8.b
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8.EE.8.b
Systems of Equations by Substitution: Read Directions Carefully! Not all problems required you to solve the problem
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8.EE.8.b
Asemmisa {{asɛmmisaAhyɛnsode}}
1.

Estimate the solution of the system of equations from the graphical representation.

Enter the coordinate point with NO SPACES.

Solve the system by graphing.

Work carefully and precisely to ensure that your graph reveals the correct solution.

Graph 1: y=-x-7

Graph 2: y=2x+2

4
Asemmisa {{asɛmmisaAhyɛnsode}}
2.

Solve the system by Graphing here.

  • Klik Graph tab (Graph 1, Graph 2, ne nea ɛkeka ho) so ma graph biara a ɛsɛ sɛ wobɔ.
  • Paw graph type a ɛfata.
  • Klik graph no akyi na fa asɛm bi ka ho. Fa nsɛntitiriw abien ka ho na yɛ graph. Twe asɛm bi anaa kyerɛw x ne y coordinates na sesa ne gyinabea. Klik asɛm bi so na popa.
  • Sɛ wobɔ wo graph no wie a, wubetumi ahyɛ dashed line box no mu.
Linear a ɛyɛ linearexpand_more
8.EE.8.a
4
8.EE.8.a
Asemmisa {{asɛmmisaAhyɛnsode}}
4.

How many solutions?

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

How many solutions?

Asemmisa {{asɛmmisaAhyɛnsode}}
6.

How many solutions?

Asemmisa {{asɛmmisaAhyɛnsode}}
7.

How many solutions?

y=2x+1

y=2x-6

Asemmisa {{asɛmmisaAhyɛnsode}}
8.

How many solutions?

8x + 4y = 12

y = -2x + 3

Asemmisa {{asɛmmisaAhyɛnsode}}
9.

How many solutions?

y=11x+2

y=-3x+12

Asemmisa {{asɛmmisaAhyɛnsode}}
10.

For the given system, tell which equation is best to solve for a variable in the first step of the substitution method. Explain your choice.

Equation A: -5x-3y=4

Equation B: x-3y=10

I would choose Equation to solve for a variable because .

2
Asemmisa {{asɛmmisaAhyɛnsode}}
11.

Write the equation created using the substitution method of solving systems of equations.

Do NOT simplify.

Do NOT enter any spaces between symbols or numbers.

8.EE.8.b
2
Asemmisa {{asɛmmisaAhyɛnsode}}
12.

Solve the system of equations by substitution.

Enter the coordinate point with NO SPACES

8.EE.8.b
2
Asemmisa {{asɛmmisaAhyɛnsode}}
13.

Write the equation created using the substitution method of solving systems of equations.

Do NOT simplify.

Do NOT enter any spaces between symbols or numbers.

8.EE.8.b
2
Asemmisa {{asɛmmisaAhyɛnsode}}
14.

Solve the system of equations by substitution.

Enter the coordinate point with NO SPACES

8.EE.8.b
Asemmisa {{asɛmmisaAhyɛnsode}}
3.

What is the solution to the system of equations that you graphed above? Write your answer with NO SPACES