Solve each of these quadratic equations. Write your answers correct to 2 decimal places. a) 2x
Question:
Solve each of these quadratic equations. Write your answers correct to 2 decimal places.
a) 2x² – 3x – 4 = 0
b) 5x2 – 11x + 4 = 0
c) 3x² + 12x + 5 = 0
d) x² + 5x – 2 = 0
e) 4x²+2x – 5 = 0
f) x²+ x – 4 = 0
g) 3x² – 6x – 2
h) 9x = 6x² + 2
i) 3 – 8x = 2x²
j) x² + 3x = 1
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ANSWER a Using the quadratic formula x b sqrtb 4ac 2a where a 2 b 3 and c 4 x 3 sqrt3 424 22 x 3 sqr...View the full answer
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Related Book For 
Complete Pure Mathematics 1 For Cambridge International AS & A Level
ISBN: 9780198427438
2nd Edition
Authors: Jean Linsky, Brian Western, James Nicholson
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