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

User Tregoreg
by
4.7k points

2 Answers

5 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 Ericka
by
4.6k points
4 votes
the answer is x = -6

to graph this, draw a point at (-6, 0) and (-8, 4)
User Nosuic
by
5.6k points