Subtract −b+3 from −11b−4 . What is the answer?

2 answers:

8 0

That is the same as $(-11b-4)-(-b+3)[/tex}. Negatives are gross, so let's distribute it. Remember, that negative can be turned into a positive by changing the sign on every term in the parentheses. It's called distributing the negative. So we can change it to [tex](-11b-4)+(b-3)$ . Now it's just basic addition.

$-11b-4+b-3 = -10b-7$

So your final answer is:

$-10b-7$

monitta2 years ago

5 0

-11b-4 - -b+3 = -10b-7

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5+x=y

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What is the equation, in standard form, of a parabola that models the values in the table? x~ -1 0 2

Inessa05 [86]

<h2>Steps</h2>

Standard Form Equation: f(x) = ax² + bx + c

So firstly, since (0,5) is one of our values we can plug it into the standard form equation to solve for the c variable (since 0 will cancel out the a and b variable):

$5=a*0^2+b*0+c\\5=c$

Now we know that the value of c is 5. Next, plug in (-1,12) into the standard form equation and simplify (remember to also plug in 5 for the c variable):

$12=a*(-1)^2+b*(-1)+5\\12=a-b+5\\7=a-b$