Answer:
x = -5, 1
Step-by-step explanation:
To factor an equation, break the polynomial into two binomials which multiply to make it. Find two numbers that multiply to C and add to B from
.
-1 and 5 multiply to -5 and add to 4.
![x^2+4x-5 = (x+5)(x-1)](https://tex.z-dn.net/?f=x%5E2%2B4x-5%20%3D%20%28x%2B5%29%28x-1%29)
The zeros are the factors set equal to 0 and solved.
(x+5) = 0
x=-5
(x-1) = 0
x=1
Answer:-1
Step-by-step explanation:
2 dollars gained in July 2 dollars gained in August and 5 dollars lost in September is -1
We plug in -16 as x and -1 as y. If the two sides are equal, (-16, -1) would satisfy y = 16x. If they aren't equal, it doesn't satisfy the equation. We get:-1 ? 16(-16);We can see that -1 doesn't equal -256, so (-16, -1) does not satisfy y = 16x.
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Hope this helps!
A dilation is a transformation that changes the size of a figure.
If the scale factor is k = 4:
( 2 , 4 ) → ( 2 · 4, 4 · 4 ) = ( 8, 16 )
The dilatation is an expansion when | k | > 1 ( 4 > 1 )
Answer: true.