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3 years ago

Write the equation in point slope form given that the slope is −1/2 and goes through the point (4, −7)

Mathematics

2 answers:

WARRIOR [948]3 years ago

8 0

Y= -1/2x -5 is the equation for the slope to pass through the point

DedPeter [7]3 years ago

5 0

Answer:

y + 7 = (-1/2)(x - 4)

Step-by-step explanation:

Adapt y - k = m(x - h) to the current situation:

y + 7 = (-1/2)(x - 4)

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Evaluate 4(a^2 + 2b) - 2b when a = 2 and b = –2.

Rama09 [41]

Answer:

Step-by-step explanation:

4(4-4)+4=4

insert 2 in a and-2 in b

7 0

4 years ago

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Will mark brainliest if correct. Find what the measurement of angles a-d are and state the reason

Furkat [3]

Answer: D = 70

A = 30

Explanation: d is parallel to 70 degrees, 40 is parallel to e, and the whole set of angles is 180 so 180 - 2(70) + 2(40) = 30 so D = 70 and A = 30

7 0

3 years ago

Rectangle PQRS with vertices P(- 6, 9) , Q(3, 6); R(0, - 9) and S(- 9, - 6)

STatiana [176]

Answer:

multiply the original coordinate by 3 so its c

Step-by-step explanation:

multiply the original coordinate by 3

6 0

3 years ago

Solve the equation for all values of x by completing the square. Irrational <br> x^2+15=-10x

attashe74 [19]

Answer:

x=-1.8, x=-8.2

Step-by-step explanation:

7 0

3 years ago

Q5: Identify the graph of the equation and write an equation of the translated or rotated graph in general form.

MAVERICK [17]

Answer:

$d.\:ellipse;\:3x^2+y^2+6x-6y+3=0$ .

Step-by-step explanation:

The given conic has equation;

$3x^2+y^2=9$

Divide through by 9.

$\Rightarrow \frac{3x^2}{9}+\frac{y^2}{9}=\frac{9}{9}$

$\Rightarrow \frac{x^2}{3}+\frac{y^2}{9}=1$ .

This is an ellipse centered at the origin;

This ellipse has been translated so that the center is now at;

$(-1,3)$

The translated ellipse has equation;

$\frac{(x+1)^2}{3}+\frac{(y-3)^2}{9}=1$ .

Clear the fraction;

$3(x+1)^2+(y-3)^2=9$ .

Expand;

$3(x^2+2x+1)+(y^2-6y+9)=9$ .

$3x^2+6x+3+y^2-6y+9=9$ .

Write in general form;

$3x^2+y^2+6x-6y+9-9+3=0$ .

$3x^2+y^2+6x-6y+3=0$ .

The correct choice is D

4 0

3 years ago

Read 2 more answers