Answer:
Vertex form:
Standard form:
Step-by-step explanation:
A quadratic function in vertex form is where is the vertex.
We are given .
Let's plug that in:
.
Now let's find .
We will use the -intercept to find .
So the function in vertex form is:
.
In standard form, we will have to multiply and combine any like terms.
Let's do that:
Combine like terms
2x^2 + -7x^2 = -5x^2
-9x + 4x = -5x
3 + -2 = 1
put back together
-5x^2 - 5x +1
Answer: 8x+3x=12x+9
The number is -9.
Step-by-step explanation: Combine like terms.
11x=12x+9
Subtract 12x from the other side. 11x-12x= -1x
-1x+9
Divide by -1 to isolate x.
-1/-1 cancels out.
9/-1= -9
x=-9
Plug in -9 to check your answer if you want to double check.
Answer:
Step-by-step explanation: it is C
Greatest common factor is 1 for the first one and the second one is also 1