2 years ago

Example 2: Solve the system algebraically. Then check your answer graphically.

Mathematics

1 answer:

Harlamova29_29 [7]2 years ago

6 0

Answer: (-2, 1), (-4, -3)

Step-by-step explanation:

y = x² + 8x + 13

y = 2x+5

x² + 8x + 13 = 2x+5

x² + 6x + 13 = 5

x² + 6x + 8 = 0

x² + 2x + 4x + 8 = 0

(x+2)(x+4)=0

x=-2 or x=-4

y=2(-2)+5

y=-4+5

y=1

y=2(-4)+5

y=-8+5

y=-3

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