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In the VPal app · Grade 8 Math

  1. Friday · Class 8A

    Hi Minh Anh

    Set by your teacher · due Sunday

    Linear functions and their graphs

    Grade 8 Math · about 15 minutes · step 2 of 6

    Keep going

    5-minute review

    You're about to forget: Linear equations in one variable

    VPal: Here's the lesson your teacher set. About 15 minutes.

  2. Animation · drag it yourself

    Change a and b: how does the line change?

    a (the number in front of x)

    Read left to right: a positive a slopes up, a negative a slopes down.

    VPal: Try dragging a to a negative number.

  3. Quick check · not graded

    Reading left to right, does the graph of y = −3x + 2 go up or down?

    Goes up

    Goes down

    Right! The number in front of x is −3, a negative number, so the line goes down.

    VPal: This one isn't graded, so just give it a try.

  4. Lesson done!

    6/6 steps · 14 minutes

    VPal will bring this back in 3 days, right when you're about to forget it.

    Back to home

    VPal: Well done! See you for a review in 3 days.

One session

Three short stops, then you're done.

No need to sit there all evening. VPal walks you through three stops, each with one clear job.

Stop 1

Review

A few short questions about the last lesson, so what you learned doesn't slip away. VPal reminds you right when you're about to forget.

Stop 2

Learn

The lesson your teacher set, with animations you can drag yourself. Stuck? Ask VPal right where you are.

Stop 3

Try it

A slightly harder question, so you know you really understand it and are not just remembering it.

Hints first, solution later

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Ask for a hint, then pick an answer. The worked solution only opens after you've tried it yourself, so you can compare step by step and see where you went off track.

Try it · you're the learner
Solve for x3x − 4 = 11

Pick an answer. It's fine to get it wrong, we'll look at it together.

Unlocks after you pick an answer.

Your marks

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One more plus sign for every Math topic you get solid on

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