Solve quadratic formula
x-2x-15=0 the first x is squared
2 answers:
You said that x² - 2x - 15 = 0 .
You could factor the left side:
(x + 3) (x - 5) = 0
This equation is true if either of the factors is zero.
First factor:
x + 3 = 0
<u>x = -3</u>
Second factor:
x - 5 = 0
<u>x = 5</u>
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Depends on what kind of a triangle
The answer is D. 16/25
-5/8 = -0.625
-0.4 divided by -0.625 = 0.64
0.64= 16/25
Answer:
9.797. . .
Step-by-step explanation:
2/3 of 144 is 96

X=7.
9x-7y=63
9x-7 x 0=63
9x - 0=63
9x=63
X=7.
Y=-9
9 x 0 -7y=63
Answer:
b
Step-by-step explanation:
because if you look at it the x-coordinate is -6 and the y-coordinate is positive 4