Tell whether the ordered pair (1, -4) is a solution of the given system y = -4x y = 2x - 2
1 answer:
You plug in x = 1 and y = -4 into the system of equations and see if they fit:-
y = -4x
- 4 = -4 * 1 = -4 This fits
y = 2x - 2
-4 = 2*1 - 2 = 0 Does NOT fit.
So (1, -4) is not a solution.
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Answer:
E. x² + 11x - 42 = 0
Step-by-step explanation:
let the square sides be x
A = bh = (x + 3 + 3)(x + 2 + 3) = 72
(x + 6)(x + 5) = 72
x² + 11x + 30 = 72
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