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3 (a) Write 2r +3x-4 in the form a(x+b)² +c , where a, b and c are constants.

3 (a) Write 2r +3x-4 in the form a(x+b)² +c , where a, b and c are constants.

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section: Chapter Questions
Problem 7DE
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3 (a) Write 2r² + 3x - 4 in the form a(x+b)² +c , where a, b and c are constants. (b) Hence write down the coordinates of the stationary point on the curve y = 2x² +3x– 4. (c) On the axes below, sketch the graph of y= 2r +3x-4|, showing the exact values of the intercepts of the curve with the coordinate axes. (d) Find the value of & for which 2x +3x-4 A has exactly 3 values of x. KS VENTURÉS
Transcribed Image Text:3 (a) Write 2r² + 3x - 4 in the form a(x+b)² +c , where a, b and c are constants. (b) Hence write down the coordinates of the stationary point on the curve y = 2x² +3x– 4. (c) On the axes below, sketch the graph of y= 2r +3x-4|, showing the exact values of the intercepts of the curve with the coordinate axes. (d) Find the value of & for which 2x +3x-4 A has exactly 3 values of x. KS VENTURÉS
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