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Trava [24]
3 years ago
10

He given line passes through the points (−4, −3) and (4, 1).

Mathematics
2 answers:
stepan [7]3 years ago
7 0
The line through the two given points has slope
.. (1 -(-3))/(4 -(-4)) = 4/8 = 1/2

The perpendicular line will have a slope that is the negative reciprocal of that,
.. -1/(1/2) = -2

So, the point-slope equation of your line is
.. y -3 = -2(x +4)

Veseljchak [2.6K]3 years ago
5 0
The correct one is y+3=1/4(x+4)
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What is the equation, in point-slope form, of the line that is parallel to the given line and passes through the point (−1, −1)?
777dan777 [17]
First find the slope of this new line; it's the same as the slope of the "given line," which you unfortunately have not yet given.  Let's call that slope "m."

Then, the equation in point-slope form of the new line is

y - (-1) = m(x - [-1]), or    y+1 = m(x+1)

Please go back to the original question, obtain the slope of the "given line," and substitute that value for m in y+1 = m(x+1).
4 0
3 years ago
Crystal has exactly $2.40 in quarters, dimes, and nickers. She has the same number of each type of coin. What is the number?​
Nadya [2.5K]

Answer:

6 quarters, 6 dimes, and 6 nickels

Step-by-step explanation:

6 quarters=1.50

6 dimes=0.6

6 nickels=0.3

1.5+0.6+0.3=2.40

8 0
3 years ago
Distance between two points <br> (-5,5) and ( 3,-3)
stiks02 [169]

Answer:

8\sqrt{2}

Step-by-step explanation:

Using the pythagorean theorem, you can find that the distance between the two points is \sqrt{(3-(-5))^2+(5-(-3))^2}=\sqrt{128}=8\sqrt{2}. Hope this helps!

7 0
3 years ago
HELP it's a maths question worth 4 marks
Ksenya-84 [330]

a = 3, b= - 4 and c = - 4

expand the left side using FOIL

(2x + 1)(ax + b) = 2ax² + 2bx + ax + b = 2ax² + x(2b + a) + b

compare the coefficients of expressions on left and right sides.

compare 2ax² + x(2b +a) + b with 6x² - 5x + c

coefficients of x² terms → 2a = 6 ⇒ a = 3

coefficients of x terms → 2b + a = - 5 → 2b + 3 = - 5 → 2b = - 8 ⇒ b = - 4

constant terms c = b = - 4


4 0
3 years ago
Miss siegel’s class has 18 girls and 12 boys. What is the ratio of girls to boys?
alexgriva [62]

Answer:

3:2

Step-by-step explanation:

girls: boys

18    : 12

Divide each side by 6

18/6 :  12/6

3   : 2

4 0
3 years ago
Read 2 more answers
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