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labwork [276]
3 years ago
6

Quadratic equation by factoring

Mathematics
1 answer:
Oliga [24]3 years ago
5 0
I’d use the app Socratic, the apps always factors the quadratic formula and it gives you the steps on how it done.
1. X^2+7x+12=0
Identify a,b, and c. Which x^2 is a, 7 is b and c is 12.
Find two numbers that multiply together to equal c which is 12 which is 3•4
And add two numbers that equal to b which is 7 which is 3+4
= (x+3)(x+4)=0
Set each factor to zero
X+3=0
= -3
X+4=0
=-4
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telo118 [61]

Step-by-step explanation:

answer is in photo above

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2 years ago
Which expression represents the composition f(g(h(x))) for the functions below? f(x) = 2x + 1 g(x) = 4x2 h(x) = x2 4x4 8x4 + 1 8
Yuri [45]
H(x)=x²
g(h(x))=4(x²)²=4x^4
f(g(h(x)))=2(4x^4)+1=8x^4+1
B is the answer. 
4 0
3 years ago
Please help me with this question
valentinak56 [21]
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8 0
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goldie's pizza place is known throughout the city. The small Baby Bear pizza has a radius of 6 inches and sells for $10. Mama Be
shutvik [7]
\bf \textit{circumference of a circle}\\\\
C=2\pi r\qquad r=radius=\frac{diameter}{2}\\\\
-----------------------------\\\\

\begin{array}{lcccclllll}
&radius&\$&Cmfc&\frac{Cmfc}{\$}\\
&---&---&-----&-----\\
\textit{Baby Bear}&6&10&2\pi \cdot 6&\frac{2\pi \cdot 6}{10}\\\\
\textit{Mama Bear}&8&12.50&2\pi \cdot 8&\frac{2\pi \cdot 8}{12.50}\\\\
\textit{Papa Bear}&
\begin{array}{llll}
diameter=18\\
radius=\frac{18}{2}=9
\end{array}&17&2\pi \cdot 9&\frac{2\pi \cdot 9}{17}
\end{array}

notice, Papa Bear is 18inches in diameter, but radius is half that

and "edge per dollar" simply means, how much circumference per dollar
or \bf \cfrac{Cmfc}{\$}

3 0
3 years ago
Read 2 more answers
Match each power of a power expression with its simplified expression
Nookie1986 [14]
  • (4⁰)-⁹

= 4⁰×-⁹

= 4⁰

  • (-4⁹)²

= -4⁹ײ

= -4¹⁸

=( -4)¹⁸

  • (4-³)-³

= 4-³ × -³

= 4⁹

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= 4⁶ × -³

= 4-¹⁸

= 1/4¹⁸

3 0
3 years ago
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