Find all solutions to each quadratic equation. 21.2x2 3x + 7 = 0 22. 4x – 5x + 6 = 0 - 23. x(x – 3)+ 3 = 0 3 + V(-3)² – 4(2)(7) x = 5 + V(-5)2 – 4(4)(6) 2(2) 3 V9- 56 X = 2(4) = X 4 3 V-47 x = 4. 3 V47, = X 4. 土 4.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter3: Polynomial And Rational Functions
Section3.1: Quadratic Functions And Models
Problem 1E: To put the quadratic function f(x)=ax2+bx+c in standard form, we complete the ________________.
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Could you help with these please. thank You
Find all solutions to each quadratic equation.
21.2x - 3x + 7 = 0
22. 4x2 – 5x + 6 = 0
23. x(x – 3)+ 3 = 0
3 ± V(-3)² – 4(2)(7)
5 + V(-5)² – 4(4)(6)
X =
x =
2(2)
2(4)
3土 V9
56
= X
4
3 V-47
X =
4.
上
V47
土
4.
3
X =
24. Error Analysis Robert solved the equation 2x + 16 = 0. His solution was x = ±V-8 i
What errors did Robert make? What is the correct solution?
Transcribed Image Text:Find all solutions to each quadratic equation. 21.2x - 3x + 7 = 0 22. 4x2 – 5x + 6 = 0 23. x(x – 3)+ 3 = 0 3 ± V(-3)² – 4(2)(7) 5 + V(-5)² – 4(4)(6) X = x = 2(2) 2(4) 3土 V9 56 = X 4 3 V-47 X = 4. 上 V47 土 4. 3 X = 24. Error Analysis Robert solved the equation 2x + 16 = 0. His solution was x = ±V-8 i What errors did Robert make? What is the correct solution?
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