y = x² – 4 y = 2x + b In the xy-plane above, two graphs intersect at two points. What is the value of b?

Question

y = x² – 4
y = 2x + b
In the xy-plane above, two graphs intersect at two points. What is the value of b?

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Adalynn 2 weeks 2021-09-14T06:11:27+00:00 1 Answer 0 views 0

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    2021-09-14T06:12:50+00:00

    Answer:When the graphs of y = f(x) and y = g(x) intersect , both graphs have exactly the same x and y values. … Calculate the point of intersection of the two lines f(x) = 2x − 1 and g(x) = x + 1. … Solve the equation x2 − 2x − 3 = 2x − 3 first graphically, then algebraically. … We use the quadratic formula with a = 1, b = −2 and c = 2.

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