Mathematics > QUESTIONS & ANSWERS > Sophia Learning College Algebra Milestone 3 WITH ANSWERS (All)
Sophia Learning College Algebra Milestone 3 WITH ANSWERS
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The graph of a linear function passes through the points and . Find the slope of this function. • • • • CORRECT RATIONALE Since we have two points from a linear function, we can use... the slope formula to find the slope of the line. The slope is the difference in coordinates from the two points divided by the difference in coordinates from the same two points. When plugging in the values it is important to be consistent with which coordinates are subtracted in the calculations. Now that the numbers are plugged in, evaluate the subtraction in both the numerator and the denominator. In the numerator, the difference in coordinates is minus , or . In the denominator, the difference in coordinates is minus , which is the same as plus , or . The slope of the line is . CONCEPT Determining Slope 2 The prices for a loaf of bread and a gallon of milk for two supermarkets are shown below. A B Bread $2.20 $2.50 Milk $3.60 $3.40 [Show More]
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