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TEA [102]
3 years ago
12

A quadratic equation is written in four equivalent forms below.

Mathematics
1 answer:
vovangra [49]3 years ago
8 0
Answer: III. y = x^2 - 2x - 48

The y intercept are the points on the graph where the curve hits the y-axis, so it’s the point where x=0
With the equation y=x^2 - 2x - 48 we can easily plug in 0 for x and see that the when x is zero, y is -48.
You might be interested in
the sum of a whole number A and a whole number B is 16, and the ratio A: B is equivalent to 5: 3. Find A and B.
Cerrena [4.2K]

Answer: A is 10; B is 6

Step-by-step explanation:

Let the sum of a whole number A and a whole number B = 16

A + B = 16

The ratio A: B = 5: 3

Possible whole numbers whose ratio gives 5 : 3 are 10 and 6, 15 and 9, 20 and 12 etc. However, since A + B must equal 16, only 10 and 6 fulfil the condition

So, let A be 10, while B is 6

10 + 6 = 16

The ratio 10 : 6 = 10/6 = 5/3

Thus, the value of A is 10; while B is 6

4 0
4 years ago
What is the distance between (-1,4) and (2,0)
Ivahew [28]

Answer: 5

The Distance between the coordinates of two points is measured by distance formula.

Step-by-step explanation:

The Distance between the coordinates of two points P(x1,y1) and Q(x2,y2) is measured by

Distance PQ= \sqrt{}(x2-x1)²+(y2-y1)²

So, the distance between (-1,4 ) and (2,0) can be calculated by

Distance= \sqrt{}(2-(-1))²+(0-4)²

              = \sqrt{}(3)²+(-4)²

              =\sqrt{}9+16 = \sqrt{}25                                                  as    \sqrt{}25 = 5

Distance = 5

So the distance between the two coordinates is 5.

7 0
3 years ago
What is the equation of a circle with center (1,-4) and radius 2?
mihalych1998 [28]

Step-by-step explanation:

Centre of circle(h,k)=(1,-4)

radius of the circle(r)=2

Equation of the circle is,

(x-h)^2+(y-k)^2=r^2

(x-1)^2+(y+4)^2=2^2

x^2-2x+1+y^2+8y+16=4

x^2+y^2-2x+8y+13=0 is the req.equation of the circle.

Give brainliest

8 0
3 years ago
True or false? A circle could be circumscribed about the quadrilateral below
bagirrra123 [75]
The answer that i believe in is "TRUE"
4 0
4 years ago
Read 2 more answers
Use the expression 15×3+7(4+1)−52.
bixtya [17]

Answer:

15×3+7(4+1)-52

15×3+7(5)-52

15×3+35-52

45+35-52

80-52

=28

6 0
3 years ago
Read 2 more answers
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