AnswersFL-1200710-Mathematics for College Algebra ASolving Quadratic Equations: Square Root Property
Solving Quadratic Equations: Square Root Property — Unit test Answers
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22
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What are the values of a, b, and c in the quadratic equation 0 = 5x – 4x2 – 2?
A
a = 5, b = 4, c = 2B
a = 5, b = –4, c = –2C
a = –4, b = 5, c = –2D
a = 4, b = –5, c = –223
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Which represents the solution(s) of the system of equations, y = x2 – 6x + 8 and y = –x + 4? Determine the solution set by graphing.
A
(1, 3) onlyB
(2, 0) and (4, 0)C
(1, 3) and (4, 0)D
no solutions24
Solve x2 = 12x – 15 by completing the square. Which is the solution set of the equation?
A
(negative 6 minus StartRoot 51 EndRoot comma negative 6 + StartRoot 51 EndRoot)
B
(negative 6 minus StartRoot 21 EndRoot comma negative 6 + StartRoot 21 EndRoot)
C
(6 minus StartRoot 51 EndRoot comma 6 + StartRoot 51 EndRoot)
D
(6 minus StartRoot 21 EndRoot comma 6 + StartRoot 21 EndRoot)
25
Which represents the solution(s) of the system of equations, y = x2 – x + 1 and y = x? Determine the solution set by graphing.
A
(1, 1)B
(0, 1) and (1, 1)C
(0, 0) and (1, 1)D
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