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diamong [38]
3 years ago
13

What is the cordniate for (-6, -23)?​

Mathematics
1 answer:
Hatshy [7]3 years ago
5 0

Answer:

Step-by-step explanation:

A set of values that show an exact position. On graphs it is usually a pair of numbers: the first number shows the distance along, and the second number shows the distance up or down.

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A quadratic function has x-intercepts 2 and 6 and its vertex is (4, 8). What is the corresponding quadratic expression? A. 2x2 −
Goryan [66]

Given:

A quadratic function has x-intercepts 2 and 6 and its vertex is (4, 8).

To find:

The corresponding quadratic expression.

Solution:

If graph of a function intersect the x-axis at c, then (x-c) is a factor of the function.

A quadratic function has x-intercepts 2 and 6. It means (x-2) and (x-6) are two factors of the required quadratic function.

The function is defined as:

P(x)=a(x-2)(x-6)                    ...(i)

Where, a is a constant.

The vertex of the quadratic function is (4,8). It means the point (4,8) will satisfy the function.

Substituting x=4 and P(x)=8 in (i).

8=a(4-2)(4-6)

8=a(2)(-2)

8=-4a

Divide both sides by -4.

\dfrac{8}{-4}=a

-2=a

Putting a=-2 in (i), we get

P(x)=-2(x-2)(x-6)

P(x)=-2(x^2-6x-2x+12)

P(x)=-2(x^2-8x+12)

P(x)=-2x^2+16x-24

Therefore, the correct option is B.

3 0
3 years ago
A rental car company offers a rental package for a mid-size car.
skelet666 [1.2K]

Answer:

y=45x+40

Step-by-step explanation:

Let

x -----> the number of days

y ----> the total cost in dollars,

we know that

The equation of a linear function in slope intercept form is equal to

y=mx+b

where

m is the slope o rate of the linear equation

b is the y-coordinate of the y-intercept

Remember that the y-intercept is the value of y when the value of x is equal to zero

In this problem we have

The slope is equal to the rental cost per day

so

m=45\frac{\$}{day}

When the number of days is equal to zero (x=0) the total cost is equal to $40 (administrative fee for the cleaning and maintenance of the car)

The y-intercept is the point (0,40)

so

b=\$40

substitute the values

y=45x+40

8 0
3 years ago
The black triangle was transformed to make the gray triangle. Write an
sergeinik [125]

Answer:

m<4 = 117 degrees

Step-by-step explanation:

Knowing that angle 1 is 63 degrees, we can look at the other angle on the same side of the line, angle 4.

Angles on one side of a line add to 180 degrees.

180 - 63 = 117

6 0
3 years ago
Which choice could represent the surface area of a pyramid?
AnnZ [28]
75.6 ft^2
The surface area of a pyramid is always squared. Hope that helps
8 0
3 years ago
Read 2 more answers
Simplify 55 Divided by (-5)<br> A. 11<br> B. 1/11<br> C. -11<br> D. - 1/11
Naily [24]

Answer:

c

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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