4x+16=7x-20
Add 20 to each side
4x+36=7x
Subtract 4x each side
3x=36
Divide by 3 to get X
X=12
Hello,
Equation is y=k(x-1)²-9
and when x=0,y=-6==>-6=k*1²-9==>k=3
y=3(x-1)²-9
when y=0, 3(x-1)²-9=0
==>(x-1-√3)(x-1+√3)=0
x-intercepts are (1+√3,0) and (1-√3,0)
Answer B.
2 & 4 ...............................................
Answer:
A variable
Step-by-step explanation:
A variable is any number in a number sentence
Here is the answer .......