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Laabri

Grade 9 Math Starter Lesson: Systems of Linear Equations

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Last updated almost 2 years ago
6 Nsɛmmisa
Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

In this lesson, you will setup and solve a system of equations in order to solve a real-world problem.

Essential Question: How do I use systems of equations to solve real-world problems?

In this lesson, you will setup and solve a system of equations in order to solve a real-world problem.

Essential Question: How do I use systems of equations to solve real-world problems?

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Text, Question 1, Question 2
00:35
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Rewatch the video as needed to answer the questions below.

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1.

What types of coins do you see? Select all correct answers.

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3.
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4.

Let p be the number of pennies and q be the number of quarters.

If there are 560 total coins in the video, write an equation to represent the total number of coins.

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5.

Let the number of quarters be represented by the y-axis and the number of pennies by the x-axis.

Graph your system of equations on the coordinate plane.

  • Klik Graph tab (Graph 1, Graph 2, ne nea ɛkeka ho) so ma graph biara a ɛsɛ sɛ wobɔ.
  • 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.
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6.
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2.

What do you think is the total value of the coins?