A line passes through the point (2, 3) and has a slope of -2. Which is the equation of the line in point-slope form? A) 2x + y = 7 B) y = -2x + 7 C) y - 3 = -2(x - 2) Eliminate D) y = - 1 2 x + 5

Answers

Answer 1

Answer: In point slope form, y - y1 = m(x - x1)

i.e. y - 3 = -2(x - 2)

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Solve for x. 3x – 4 + 2x = 36

Answers

Answer:

x=8

Step-by-step explanation:

3x-4+2x=36

5x-4=36

5x=36+4

5x=40

8x5=40

5. multiply 9x^2(2x^2 8x) a) 18x^4 72x^3 b) 18x^2 72x^3 c) 11x^4 - 17x^3 d) 90x^4

Answers

9x^2(2x^2 + 8x) = 18x^4 + 72x^3

A number that is placed before the variable is called the constant. a) true b) false

Answers

Answer:

Step-by-step explanation:

a) True

For the coordinates of P and M (the midpoint) are given. Find the coordinates for Q.P(-2, 3) and M (5, 1)

Answers

Given an endpoint and a midpoint, to look for the other endpoint, the midpoint formula is merely manipulated. The average of the x-coordinates for P and Q have to equate to the x-coordinate of M. The same is applied to the y-coordinates. This is shown below:

X-coordinates:

(-2 + Qx)/2 = 5
(-2 + Qx) = 10

Qx = 12

Y-coordinates:

(3 + Qy)/2 = 1
3 + Qy = 2

Qy = -1

Therefore, Q has the coordinates (12 , -1)

2. What is the product of 713 and 82? A. 795 B. 58,466 C. 631 D. 8 r57

Answers

Product of 713 and 82

= 713 * 82 Use your calculator.

= 58 466.

Option B.

The correct answer is B. 58,466.

The product is the answer of a multiplication problem so 713 * 82= 58,466

Hope this helped!

The perimeter of a rectangle is 16 inches. The equation that represents the perimeter of the rectangle is 2l + 2w = 16, where l represents the length of the rectangle and w represents the width of the rectangle. Which value is possible for the length of the rectangle? 7 in. 8 in. 9 in. 10 in.

Answers

Answer:

The value which is possible for the length of the rectangle is:

7 in.

Step-by-step explanation:

We know that in order to form a rectangle the length and width of a rectangle must be in positive dimension.

i.e. l,w>0

where l denotes length and w denotes width of the rectangle.

Also, The perimeter of a rectangle is 16 inches.

Hence, the equation that represents the perimeter of the rectangle is:

2l + 2w = 16.

i.e. on dividing both side of the equation by 2 we obtain:

l+w=8

Now, when l=7 we get w=1

Hence, it could be a possible value.

Also, when l=8 then w=0 which is not possible.

Similarly when l=9, w= -1 which is again not possible.

and when l=10 then w= -2 which is again not a possible dimension.

The answer is:

7 in.

Hello,

Thus l+w=8

if l=7 =>w=1 Possible
if l=8 ==>w=0 Impossible not a rectangle
if l=9==>w=-1 not possible
if l=10 ==>w=-2 not possible.

Answer A

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