Y -intercept ANSWER slope ANSWER Prerequisite Skills VOCABULARY CHECK Copy and complete the statement. ? In the equation y = mx + b, the value of m is.

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Objective - To graph linear equations using the slope and y-intercept.

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Presentation transcript:

y -intercept ANSWER slope ANSWER Prerequisite Skills VOCABULARY CHECK Copy and complete the statement. ? In the equation y = mx + b, the value of m is the of the graph of the equation. 1. ? In the equation y = mx + b, the value of b is the of the graph of the equation. 2.

Prerequisite Skills VOCABULARY CHECK parallel ANSWER 3. ? Two lines are if their slopes are equal.

Prerequisite Skills SKILL CHECK Find the slope of the line that passes through the points. ANSWER (4, 5), (2, 3) ANSWER (0, –6), (8, 0) 6.6. (0, 0), (–1, 2) ANSWER –2–2

Prerequisite Skills SKILL CHECK Identify the slope and the y- intercept of the line with the equation. 7. y = x y = x – , –6 ANSWER 1, 1 ANSWER 9. y = – 2 5 x– 2 2 5, –2 ANSWER –

Prerequisite Skills SKILL CHECK Evaluate the function when x = –2, 0, and f(x) = x – f(x) = 2x f(x) = –5x – 7 0, 4, 12 ANSWER 3, –7, –27 ANSWER –12, –10, –6 ANSWER