8th Grade Math Flashcards: Derive Linear Equations Using Slope

Study Derive Linear Equations Using Slope in 8th Grade Math with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

Find $b$ if a line has slope $3$ and passes through $(2,1)$ in $y=mx+b$ .

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ANSWER

$b=-5$ . Substitute $(2,1)$ into $y=3x+b$ : $1=6+b$ , so $b=-5$ .

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What this deck covers

This deck focuses on Derive Linear Equations Using Slope, giving you a quick way to review the definitions, rules, and examples that matter most for 8th Grade Math.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 30Practice questions for this set

A line passes through points

P(-2, 1)

and

Q(3, -4)

. To find where this line intersects the y-axis, Miguel uses the fact that slope is constant between any two points. What is the y-intercept of this line?

Choose an answer

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