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3 years ago

Write the equation of the line that passes through the points (3,5) and (-5,0). Put

Mathematics

1 answer:

son4ous [18]3 years ago

4 0

Okiiiiiiiiiiiiiiiiiiiiiii Y+5=2 (x-3)

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Please help ill give brainliest, explain the answer too please

LiRa [457]

Answer:

4x^2+3x+4

Step-by-step explanation:

3x^2+2x+3+x^2+x+1=4x^2+3x+4

Please give me brainliest.

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3 years ago

Point B has coordinates (1,2). The x-coordinate of point A is -8. The distance between point A and point B is 15 units. What

Xelga [282]

Answer:

The possible coordinates of point A are $A_{1} (x,y) = (-8, 14)$ and $A_{2} (x,y) = (-8, -10)$ , respectively.

Step-by-step explanation:

From Analytical Geometry, we have the Equation of the Distance of a Line Segment between two points:

$l_{AB} = \sqrt{(x_{B}-x_{A})^{2} + (y_{B}-y_{A})^{2}}$ (1)

Where:

$l_{AB}$ - Length of the line segment AB.

$x_{A}, x_{B}$ - x-coordinates of points A and B.

$y_{A}, y_{B}$ - y-coordinates of points A and B.

If we know that $l_{AB} = 15$ , $x_{A} = -8$ , $x_{B} = 1$ and $y_{B} = 2$ , then the possible coordinates of point A is:

$\sqrt{(1+8)^{2}+(2-y_{A})^{2}} = 15$

$81 + (2-y_{A})^{2} = 225$

$(2-y_{A})^{2} = 144$

$2-y_{A} = \pm 12$

There are two possible solutions:

1) $2-y_{A} = -12$

$y_{A} = 14$

2) $2 - y_{A} = 12$

$y_{A} = -10$

The possible coordinates of point A are $A_{1} (x,y) = (-8, 14)$ and $A_{2} (x,y) = (-8, -10)$ , respectively.

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3 years ago

Select the correct expressions.

olchik [2.2K]

Answer:

A linear algebraic equation is nice and simple, containing only constants and variables to the first degree (no exponents or fancy stuff). To solve it, simply use multiplication, division, addition, and subtraction when necessary to isolate the variable and solve for "x". Here's how you do it: 4x + 16 = 25 -3x =

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3 years ago

Which of the statements below best describes direct variation?

REY [17]

Direct variation is when one variable changes the other changes in proportion of the first, therefore all the above

8 0

3 years ago

2.8 ÷ -0.004. Please show work.

Alexeev081 [22]

Answer:

Step-by-step explanation:

$\frac{2.8}{-0.004}\\\\\mathrm{Apply\:the\:fraction\:rule}:\quad \frac{a}{-b}=-\frac{a}{b}\\\\=-\frac{2.8}{0.004}\\\\\mathrm{Divide\:the\:numbers:}\:\frac{2.8}{0.004}=700\\\\=-700$

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3 years ago

Read 2 more answers