Answer:
D. -x2 + 2x -3
Step-by-step explanation:
the first step is we open all the brackets then it will be :
x2 - 3x - 2x2 + 5x - 3
= x2 - 2x2 - 3x + 5x - 3
= -x2 + 2x -3
Answer:
A. 48
B. 24
C. C
Step-by-step explanation:
To divide up whole numbers by fractions, you simply need to just multiply the whole number by the reciprocal of the fraction. in other words, flip the fraction.
Ex.
12 ÷ 1/4
=
12 x 4
Ex. 2
12 ÷ 1/2
=
12 x 2
Answer:
1/2(bh)
A=20
Step-by-step explanation:
Hello!
Ok so ideally we would like to see this in y=mx+b form. But it will take some algebreic skills to ninja our way through this.
I'll show my steps so you can follow,
3+4x = 2y - 9 (original equation)
Next we just add 9 to both sides,
12 + 4x = 2y, now we can divide both sides by 2,
y=2x+6 as our final equation. This is in y=mx+b form, thus the slope of our line is 2 because the 2 is sitting in the m space of the equation. If you still dont understand linear stuff, I'd google slope-intercept form
Hope this helped!
Answer:
All real numbers except 
.
Step-by-step explanation:
The given function is
This is a rational function.
The domain of a rational function is all real numbers except values that will make the denominator zero.
The denominator of the given function is 
.
So the domain is all real numbers except
We solve for 
to obtain,
or 
.
Therefore the domain is all real numbers except .
