4 years ago

What are the most important things to know about Geometry?

Mathematics

1 answer:

sattari [20]4 years ago

8 0

Know that you will have to deal with a lot of shapes, formulas, and calculations that you have to memorize

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erik [133]

Answer:

The vertical change

Step-by-step explanation:

The vertical change between two points is called the rise, and the horizontal change is called the run. The slope equals the rise divided by the run: . This simple equation is called the slope formula.

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1199.28856995 to the nearest ten

Arturiano [62]

Hey! Hi! Hola! Aloha!

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The vertex form of the equation of a parabola is y = 2(x+ 4)2 - 7.

Anuta_ua [19.1K]

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Step-by-step explanation:

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3 years ago

The points , (−15,1) and , (−7,r) lie on a line with slope 5/4. Find the missing coordinate r. Click image to enlarge

Nadya [2.5K]

The missing coordinate r is 11.

Solution:

Given points are (–15, 1) and (–7, r).

$x_{1}=-15, x_{2}=-7, y_{1}=1 \text { and } y_{2}=7$

Slope (m) = $\frac{5}{4}$

<u>To find the missing coordinate r:</u>

Slope formula:

$m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

Substitute the given values in the formula.

$$\frac{5}{4}=\frac{r-1}{-7-(-15)}$

$$\frac{5}{4}=\frac{r-1}{-7+15}$

$$\frac{5}{4}=\frac{r-1}{8}$

Do cross multiplication.

$8 \times 5=4(r-1)$

40 = 4r – 4

Add 4 on both side of the equation.

44 = 4r

Divide by 4 on both side of the equation.

11 = r

⇒ r = 11

Hence the missing coordinate r is 11.

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4 years ago

What is y=3(x+7)^2-7<br> in standard form

Paha777 [63]

This would be the standard form

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