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Functions

Quick questions on Writing linear functions and equations of lines - TNReady Algebra I

5short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is slope-intercept form?
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y=mx+by = mx + b (mm = slope, bb = yy-intercept).
What is point-slope form?
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y−y1=m(x−x1)y - y_1 = m(x - x_1) (line through (x1,y1)(x_1, y_1) with slope mm).
What is q1?
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Write the line with slope 33 through (0,−2)(0, -2). [1 point]
What is q2?
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Write the line through (1,5)(1, 5) and (4,14)(4, 14). [2 points]
What is mismatched point order?
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Subtract the coordinates in the same order in both the numerator and denominator.

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