At what point(s) do these graphs intersect? y = x + 3x- 5 y = 4x + 1 Seth's solution: y = x2 + 3x -5 y = 4x + 1 x² +3x - 5 = 4x + 1 x² - x - 6 = 0 (x-3)(x+2)%3D 0 x = 3 and x = -2 The graphs intersect at. (-2,0 and (3,0). Is Seth's solution correct? Explain.

Algebra: Structure And Method, Book 1
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ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
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Chapter9: Systems Of Linear Equations
Section9.5: Multiplication With The Addition-or-subtraction Method
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| 2. At what point(s) do these graphs intersect?
y = x + 3x -5
y = 4x + 1
Seth's solution:
y = x2
+ 3x - 5
y = 4x + 1
x- +3x - 5 - 4x + 1
x- -
x - 6 = 0
(x-3)(x+2) = o
x = 3 and x = -2
The graphs intersect at. (-20) and (3,0).
Is Seth's solution correct? Explain.
Answer:
Transcribed Image Text:| 2. At what point(s) do these graphs intersect? y = x + 3x -5 y = 4x + 1 Seth's solution: y = x2 + 3x - 5 y = 4x + 1 x- +3x - 5 - 4x + 1 x- - x - 6 = 0 (x-3)(x+2) = o x = 3 and x = -2 The graphs intersect at. (-20) and (3,0). Is Seth's solution correct? Explain. Answer:
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