Math Problem Statement
Lillian graphed a linear function through the points (‒7, ‒4) and (7, 6). What are the slope and y-intercept of the graph?
A.The slope is 57 , and the y-intercept is ‒1. B.The slope is 57 , and the y-intercept is 1. C.The slope is 75 , and the y-intercept is ‒1. D.The slope is 75 , and the y-intercept is ‒1.
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Functions
Slope-Intercept Form
Formulas
Slope formula: m = (y2 - y1) / (x2 - x1)
Slope-intercept form: y = mx + b
Theorems
Slope formula
Suitable Grade Level
Grades 8-10
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