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45 votes
45 votes
Solve the equation x2 – 4x – 12 = 0 by graphing.

User Michaelrmcneill
by
2.7k points

2 Answers

16 votes
16 votes

Answer:

x = -2, x = 6

Explanation:

x²-4x-12 = 0

Make a table with x, and y values.

Graph the parabola.

The solutions of equation are

the points where the graph intersects the x-axis.

x = -2, x = 6

Solve the equation x2 – 4x – 12 = 0 by graphing.-example-1
User Daniel Mitchell
by
2.9k points
11 votes
11 votes
the answer is x = -6

to graph this, draw a point at (-6, 0) and (-8, 4)
User Shiju
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3.1k points