Which equation has the same solution as x2 + 18x +7 = 4? O (x + 9)² = –84 O (x – 9)2 = –84 O (x – 9)2 = 78 O (x + 9)² = 78
Which equation has the same solution as x2 + 18x +7 = 4? O (x + 9)² = –84 O (x – 9)2 = –84 O (x – 9)2 = 78 O (x + 9)² = 78
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter9: Quadratic Functions And Equations
Section9.5: Solving Quadratic Equations By Completing The Square
Problem 49PFA
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Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
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