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Answer
y = 2(x - 8)(x + 2)
Step-by-step explanation:
A(x - 8)(x + 2)
A × -8 × 2 = -32
-16A = -32
A = 2
y = 2(x - 8)(x + 2)
Answer:
<em>-5/4</em>
Step-by-step explanation:
7(x + 4) + 1x - 9 * 2 = -8x + -10
Distribute 7 on left side. Multiply 9 * 2 on left side.
7x + 28 + 1x - 18 = -8x + -10
Combine like terms on left side.
8x + 10 = -8x + -10
Add 8x to both sides. Subtract 10 from both sides.
16x = -20
Divide both sides by 16.
x = -20/16
Reduce the fraction.
x = -5/4
This is an isosceles triangle because the picture shows it has two equal sides. Isosceles triangles have two equal angles.
The sum of all the angles of a triangle = 180º.
We can use this equation to solve for x:
2x + 54 = 180.
- 54 -54 Subtract 54 from both sides.
2x = 126
/ 2 /2 Divide 2 from both sides to isolate x.
x = 63º
Let's check! 63 + 63 + 54 = 180? YUP!