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3 years ago

Ok last question plz help me with the question for this topic dont wanna get it wrong

Mathematics

2 answers:

Crank3 years ago

7 0

For this problem plug in the given x and y values:

For the first one: No

second one: No

third one: Yes

fourth one: No

xxMikexx [17]3 years ago

4 0

Answer:

-4(-2) + 9 = -17

8 + 9 = 17

First one is NO.

-4(9) + 9 = 32

-36 + 9 = 32

-27 = 32

Second one is NO.

-4(3) + 9 = -3

-12 + 9 = -3

-3 = -3

Third one is YES.

-4(-5) + 9 = 49

20 + 9 = 49

29 = 49

Last one is NO.

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3 years ago

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3 years ago

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3 years ago

Solve the equation.

Mekhanik [1.2K]

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4 0

3 years ago

Read 2 more answers

Point m is the midpoint of kL. M(1,-1) and L(8,-7. What are the coordinates of point k?

Phoenix [80]

Answer: (-6, 5)

<u>Step-by-step explanation:</u>

Use the Midpoint Formula: $\dfrac{(x_k, y_k)+(x_L,y_L)}{2}=(x_m, y_m)$

Separate the x's and y's and solve them individually:

$\dfrac{x_k+x_L}{2}=x_m\qquad \qquad \qquad \qquad\dfrac{y_k+y_L}{2}=y_m\\\\\\\dfrac{x_k+8}{2}=1\qquad \qquad \qquad \qquad \qquad \dfrac{y_k-7}{2}=-1\\\\\\x_k+8=2\qquad \qquad \qquad \qquad \qquad y_k-7=-2\\\\\\x_k\quad =-6 \qquad \qquad \qquad \qquad \qquad y_k\qquad =5$

So, the k-coordinate is (-6, 5)

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3 years ago