Systems Word Problems

Model real situations with systems of equations.

1️⃣

Watch the video

Start here (or skip if you already know it)

2️⃣

Visualize it

Explore it, then spot the correct graph

3️⃣

Practice problems

Answer 3 problems (80%+ correct)

Step 1: Watch

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Systems of Equations Word Problems

The Organic Chemistry Tutor · 10:26

Play with the interactive model to see how the math works, then test yourself by spotting the correct graph.

Move the controls and watch the math change — build a picture in your head before you solve.

y = 1x + 2

Slope (m)1y-intercept (b)2

The slope 1 tells you to go up 1 for every 1 step right. The y-intercept 2 is where the line crosses the y-axis, at the point (0, 2).

Answer 3 problems with at least 80% correct to complete this skill.

Problem 1

Tickets cost $8 (adult) and $5 (child). 12 tickets sold for $78. How many adult tickets?

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