3 years ago

What are the solutions for x when y is equal to 0 in the following quadratic function?

Mathematics

1 answer:

Radda [10]3 years ago

8 0

Hope this helped you

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Brandon graphed one line in a system of equations. The system has only one solution, (0,3). Which equations could also be part o

AlladinOne [14]

Answer:

y = 3 and y = x + 3

Step-by-step explanation:

The equation y = 3 whose graph is a line parallel to x-axis can be a part of the system.

Consider the equation y = x + 3.

Substitute (0, 3).

3 = 0 + 3

So, (0, 3) lies on y = x + 3 and this can also be a part of the system.

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3 years ago

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3(negative 2-3x)=negative 9x-4

Andreyy89

Answer:

x = -2

Step-by-step explanation:

3(-2 - 3x) = -9x - 4 (Given)

3(-2) + 3(-3x) = -9x - 4 (Distributive Property of Equality)

-6 + 9x = -9x - 4 (Simplify)

-6 + 4 -9x= -9x - 4 + 4 (Addition Property of Equality)

-2 + 9x = -9x (Simplify)

-2 + $\frac{-9x}{-9} = \frac{-9}{-9}$ (Division Property of Equality)

-2 = x (Simplify)

x = -2 (Symmetric Property of Equality)

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3 years ago

A ball is thrown into the air with an initial velocity of 22 meters per second. The quadratic function h(x)= -4.9t square +22t+5

MrRa [10]

Answer:

Height of the ball after 3 seconds = 27.4 feet.

Step-by-step explanation:

h(t) = -4.9t^2 + 22t + 5.5

h(3) means the height of the ball at time 3 seconds after the ball was thrown.

h(3) = -4.9(3)^2 + 22(3) + 5.5

= 27.4 feet

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4 years ago

How many vertices does a cube have

PolarNik [594]

A cube has 8
A square has 4

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How many solutions are there to the following system of equations?

Tanya [424]

$4x-14y=6 \\
-2x+7y=-3 \ \ \ |\times 2 \\ \\
4x-14y=6 \\
\underline{-4x+14y=-6} \\
4x-4x-14y+14y=6-6 \\
0=0 \\ always \ true \\ \\
\boxed{\hbox{infinitely many solutions}} \Leftarrow \hbox{answer C}$

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4 years ago