03_3069_Key

# 03_3069_Key - and label the two points(2 points(4 3-4-4...

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MAC 1147 (3069) - Quiz #3 Name: Key For full credit, you must show all work and circle your final answer. 1 Rewrite the expression using negative exponents. (1 point) 2 - x ( x + 1) 2 3 2 - x ( x + 1) 2 3 = (2 - x )( x + 1) - 2 / 3 . 2 Identify all x or y intercepts and graph the equation. On the graph, label the intercepts you found. (2 points) y = x 3 - 1 x -intercepts: 0 = x 3 - 1 = 1 = x 3 = x = ± 1. So, the x -intercept is (1 , 0). y -intercept: y = 0 3 - 1 = - 1. So, the y -intercept is (0 , - 1). 3 Find the slope-intercept form of the equation of the line passing through the points. Graph the line
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Unformatted text preview: and label the two points. (2 points) (4 , 3) , (-4 ,-4) Slope =-4-3-4-4 =-7-8 = 7 8 . y-intercept = y-x m = 3-4 ± 7 8 ² = 3-7 2 =-1 2 . So, y = 7 8 x-1 2 . University of Florida Honor Code: On my honor, I have neither given nor received unauthorized aid in doing this assignment. Signature...
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