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Brilliant_brown [7]
3 years ago
6

If f(x) = 5x^2 -3 and g(x) = x^2-4x find (f-g) (x)

Mathematics
2 answers:
kodGreya [7K]3 years ago
8 0
The answer for x is 5!!
mylen [45]3 years ago
5 0

Answer:

10x-2x-4=8x-4 اتمنى لك التوفيق

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An isosceles triangle has angle measures 40, 40, and 100. The side across from the 100 angle is 10 inches long. How long are the
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Answer:

the answer is C- 6.53 inches

Step-by-step explanation:

3 0
3 years ago
Which of the following points are in the fourth quadrant of the xy-plane? Check all that apply.
Margaret [11]

Answer:

B and F

Step-by-step explanation:

The fourth quadrant contains a positive number for the x axis and a negative number for the y axis. (B=4,-5 and F=4,-7)

8 0
3 years ago
Is 1.75 a reasonable estimate of the value of the square root of 8
ladessa [460]

Answer:

Test it.  Is 1.752 close to 8?

1.752 = 3.0625

3.0625 is not close to 8.

Step-by-step explanation:

8 0
3 years ago
determine the quadratic function of f whose graph is given. The vertex is (1,-3) and the y-intercept is -2
LuckyWell [14K]
Hmmm the y-intercept is at -2?  what does that mean?  well, is where the graph "intercepts" or touches the y-axis, and when that happens, x = 0, so the point is really ( 0 , -2 ).

and we know where the vertex is at.  Let's assume a vertical parabola, in which case the squared variable is the "x".

\bf \qquad \textit{parabola vertex form}\\\\
\begin{array}{llll}
\boxed{y=a(x-{{ h}})^2+{{ k}}}\\\\
x=a(y-{{ k}})^2+{{ h}}
\end{array} \qquad\qquad  vertex\ ({{ h}},{{ k}})\\\\
-------------------------------\\\\
vertex
\begin{cases}
h=1\\
k=-3
\end{cases}\implies y=a(x-1)^2-3
\\\\\\
\textit{now, we also know that }
\begin{cases}
x=0\\
y=-2
\end{cases}\implies -2=a(0-1)^2-3
\\\\\\
1=a(-1)^2\implies \boxed{1=a}\qquad thus\implies 
\begin{cases}
y=1(x-1)^2-3\\
\textit{or just}\\
y=(x-1)^2-3
\end{cases}
6 0
3 years ago
If AB = 2x–8 and AC = x+9, What is the length of BC?
Virty [35]

Answer:

17

Step-by-step explanation:

2x-8=x+9

x=17

4 0
3 years ago
Read 2 more answers
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