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Algebra & Trigonometry with Analytic Geometry

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter2: Equations And Inequalities

Section2.7: More On Inequalities

Problem 44E

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Question

Fit a least-squares parabola having the form y = a + bx + cx2 to the given data.
1.2
1.8
3.1
4.9
5.7
7.1
8.6
9.8
y
4.5
5.9
7.8
7.2
6.8
4.5
2.7
Write only the letter corresponding to the correct answer.
value of a
A) 1.389 B) 2.588 C) 2.075 D) 0.2110
value of b
A) 1.389 B) -2.588 C) 2.065 D) 0.2110
value of c
A) -1.389 B) 2.588
C) -2.085 D) -0.2110
Estimate the of y at x=1.2,
A) 4.76 B) 2.58 C)-3.56 D) 5.55

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