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Mathematics
Hugh Costa
25 July, 21:48
Solve the system of equations.
y = 3x
y = x2-10
+1
Answers (
1
)
Mekhi Morse
25 July, 22:10
0
(-5, 2) and (2, 6)
Step-by-step explanation:
Use the substitution method. We know that y = 3x and y = x^2 - 10, so we can set them equal to one another.
3x = x^2 - 10
x^2 - 3x - 10 = 0
Use the quadratic equation to solve for x.
x = - 5, 2
Now solve for y using these two values of x by substituting it back into the equations.
y = - 15, 6
In coordinate form, (-5, 2) and (2, 6)
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