A curve has equation y = x 2 5x + 7 and a line has equation
Question:
A curve has equation y = x2 − 5x + 7 and a line has equation y = 2x − 3.
a. Show that the curve lies above the x-axis.
b. Find the coordinates of the points of intersection of the line and the curve.
c. Write down the set of values of x that satisfy the inequality x2 − 5x + 7 ,2x − 3.
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a To show that the curve lies above the xaxis we need to show that the ycoordinate is always positiv...View the full answer
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Related Book For 
Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook
ISBN: 9781108407144
1st Edition
Authors: Sue Pemberton, Julian Gilbey
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