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3 years ago

Which type of line of symmetry does the figure have?

Mathematics

1 answer:

Shkiper50 [21]3 years ago

6 0

Answer:

horizontal is the I thik this is right answer

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Determine the equation of the line that passes through the points of intersection of the graphs of the quadratic functions f(x)

timofeeve [1]

Answer: $x-2y-2=0$

Step-by-step explanation:

Given :

$f(x) = x^2 - 4 \\ g(x) = - 3x^2 + 2x + 8$

Point of intersection :

$f(x)=g(x)\\x^2-4=-3x^2+2x+8\\4x^2-2x-12=0\\2x^2-x-6=0\\2x^2-4x+3x-6=0\\2x(x-2)+3(x-2)=0\\(x-2)(2x+3)=0\\x=2\,,\,\frac{-3}{2}$

$x=2\,;f(2)=2^2-4=0\\x=\frac{-3}{2}\,; f\left ( \frac{3}{2} \right )=\left ( \frac{3}{2} \right )^2-4=\frac{-7}{4}=-1.75$

So, we have points $\left ( 2,0 \right )\,,\,\left ( -1.5,-1.75\ \right )$

Equation of line passing through two points $\left ( x_1,y_1 \right )\,,\,\left ( x_2,y_2 \right )$ is given by $y-y_1=\frac{y_2-y_1}{x_2-x_1}\left ( x-x_1 \right )$

Let $\left ( x_1,y_1 \right )=\left ( 2,0 \right )\,,\,\left ( x_2,y_2 \right )=\left ( -1.5,-1.75\ \right )$

So, equation is as follows :

$y-0=\frac{-1.75-0}{-1.5-2}\left ( x-2 \right )\\y=\frac{-1.75}{-3.5}\left ( x-2 \right )\\y=\frac{1}{2}(x-2)\\2y=x-2\\x-2y-2=0$

4 0

3 years ago

Simplify (5x^3 - 7x^2 + 3x - 4) - (8x^3 + 2x^2 + 3x - 7)

muminat

Answer:

-3x^4 - 14x^3 + 3x^2 - 10

Step-by-step explanation:

6 0

3 years ago

Perimeter is the distance around a figure or region.<br> a. true<br> b. false

makkiz [27]

A. True

The sum of the distances round the shape is the Perimeter.

3 0

3 years ago

Read 2 more answers

The solution to an equation is 21

elena-14-01-66 [18.8K]

An solution to an equation = 21 would be something like 2p + 7

if you wanna know how to solve this
here is how:
<span>Simplifying 2p + 7 = 21 Reorder the terms: 7 + 2p = 21 Solving 7 + 2p = 21 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 2p = 21 + -7 Combine like terms: 7 + -7 = 0 0 + 2p = 21 + -7 2p = 21 + -7 Combine like terms: 21 + -7 = 14 2p = 14 Divide each side by '2'. p = 7 Simplifying p = 7</span>

5 0

3 years ago

Three co-workers recorded the amount of water in a fish tank being replaced at regular intervals. A) Maggie measured ½ gallon of

IRINA_888 [86]

Answer:

A and C

Step-by-step explanation:

i chose these bc they arwe the 2 reasonable ones

4 0

3 years ago