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3 years ago

Which is f(-3) for quadratic function graphed

Mathematics

1 answer:

liberstina [14]3 years ago

3 0

The -3 in f(-3) is the X coordinate, so you need to find where the line is on the Y coordinate at that point.

The line is at Y = -9

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100 POINTS!!!!! WILL GIVE BRAINLIEST!!!!!!! Show that: (a + bi)^2 = (a + b)(a − b) + 2abi

inna [77]

Step-by-step explanation:

(a+bi)2

=a2 +2abi +b2i2

=a2 +2abi + b2. (-1)

=a2 -b2 +2abi

Answer = (a+b(a-b) +2abi

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2 years ago

PLEASE HELP!! Solve each inequality and graph its solution.

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3 years ago

A computer company offers a special discount to college students of 15% off. Find the discounted price of a computer that costs

alexgriva [62]

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3 years ago

the midpoint is AB is M(3,-2). One endpoint is A(7,-9). Find the coordinates of the other endpoint B.

cestrela7 [59]

Answer:

The required points of the given line segment are ( - 1, - 5 ).

Step-by-step explanation:

Given that the line segment AB whose midpoint M is ( 3, -2 ) and point A is ( 7, - 9), then we have to find point B of the line segment AB -

As we know that-

If a line segment AB is with endpoints ( $x_{1}, y_{1}$ ) and ( $x_{2}, y_{2}$ )then the mid points M are-

M = ( $\frac{ x_{1} + x_{2} }{2}$ , $\frac{ y_{1} + y_{2} }{2}$ )

Here,

Let A ( 7, - 9 ), B ( x, y ) with midpoint M ( 3, - 2 ) -

then by the midpoint formula M are-

( 3, - 2 ) = ( $\frac{ 7 + x}{2}$ , $\frac{ - 9 + y}{2}$ )

On comparing x coordinate and y coordinate -

We get,

( $\frac{ 7 + x}{2}$ = 3 , $\frac{ - 9 + y}{2}$ = - 2)

( 7 + x = 6, - 9 + y = - 4 )

( x = 6 - 7, y = - 4 + 9 )

( x = - 1, y = -5 )

Hence the required points A are ( - 1, - 5 ).

We can also verify by putting these points into Midpoint formula.

8 0

3 years ago

Pls help out need answers quick

maw [93]

Answer: answer is 8 because -5 + 1 = -4 then + 10 = 4

8 0

2 years ago