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kkurt [141]
3 years ago
8

Complete the table of values for y=x^2-4x

Mathematics
2 answers:
maksim [4K]3 years ago
6 0
(-1, 5)
(0,0)
(1, -3)
(2, -4)
(3, -3)
(4, 0)
(5, 5)
Zolol [24]3 years ago
3 0

Answer:

y =(5,0,-3,-4,-3,0,5)

Step-by-step explanation:

To get y you have to replace the different number of x in the equation

For example,  

To x=-1

y=x^2-4x

y=(-1)2-4*(-1)=

y=5

to x=0

y=x^2-4x

y=0^2-4*0

y=0

The table will be:

x y

-1 5

0 0

1 -3

2 -4

3 -3

4 0

5 5

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Function: y=x2+5x−7<br><br><br>Vertex: ( , )<br><br><br>Solutions: ( , ) and ( , )
Dima020 [189]

Answer:

vertex : (-5/2, -53/4)

solutions: (-(5-sqrt53)/2, 0) (-(5+sqrt53)/2, 0)

Step-by-step explanation:

6 0
1 year ago
The diameter of a circle is 2 units. What is the radius of the circle
Luda [366]

Answer:

1

Step-by-step explanation:

The radius is half the size of the diameter.

2 / 2 = 1

3 0
2 years ago
Six more than five times a number is at least twenty-one
kakasveta [241]
Lets say the number is x so we can make an equation
If is at least 21, that means it has to be greater then or equal to it.
6+5*x>=21
You can subtract 6 from both sides
5*x>=15
Then divide both sides by 5
x>=3
You can conclude that the number is greater then or equal to 3.
6 0
3 years ago
Help plz !!!!! Isosceles and Equilateral.
Ilya [14]
Answer: 40

=====================================

Explanation:

The angle we want is QPR (bottom left), which is one of the base angles. The other base angle is QRP (bottom right). These two angles are equal because PQR is an isosceles triangle (PQ = RQ)

So if we can find angle QRP, then we have found angle QPR

Note how angle QRP and the 140 degree angle combine to form a straight 180 degree angle. Therefore these two angles add to 180 degrees

(angle QRP) + (140) = 180
(angle QRP) + 140 - 140 = 180-140 ... subtract 140 from both sides
angle QRP = 40

Since,
angle QPR = angle QRP
this means
angle QPR = 40
and
b = 40
8 0
3 years ago
Solve 3x2 + 4x + 2 = 0 by using the Quadratic Formula. If necessary, round to the nearest hundredth.
viva [34]

Answer:

Step-by-step explanation:

For this equation: a=3, b=4, c=2

3x2+4x+2=0

Step 1: Use quadratic formula with a=3, b=4, c=2.

x= −b±√b2−4ac / 2a

x= −(4)±√(4)2−4(3)(2)  /  2(3)

x= −4±√−8  /  6

Answer:

No real solutions.

7 0
3 years ago
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