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3 years ago

Find the y-intercept of each equation.

1 answer:

7 0

A. (0, -10)
b. (0, -13)
c. If you’re providing the equation 2 - -2y = 14 the y-intercept is 6, but if you’re providing the equation 2 - 2y = 14 the y-intercept is -6.

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Which represents a quadratic function?

irinina [24]

Answer:

Option 2 is the correct answer

Step-by-step explanation:

A quadratic function is a function in which the highest power to which the variable is raised is 2

1) f(x) = −8x3 − 16x2 − 4x

The given function is a cubic function because the highest power

to which the variable,x is raised is 3

2) f(x) = 3x²/4 + 2x - 5

The given function is a quadratic function because the highest power

to which the variable,x is raised is 2

3) f(x) = 4/x² - 2/x + 1

It can be rewritten as

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

The given function is not a quadratic function because the highest power to which the variable,x is raised is - 2

4) f(x) = 0x2 − 9x + 7

It can be rewritten as

f(x) = - 9x + 7

The given function is not a quadratic function because the highest power to which the variable,x is raised is 1

3 0

4 years ago

Read 2 more answers

What is the length of c in inches

crimeas [40]

Answer:

$\sqrt{500}$ inches

Step-by-step explanation:

a^2+b^2=c^2

10^2+20^2=c^2

100+400=c^2

c^2=500

$\sqrt{500}$

4 0

4 years ago

Which of the following is a solution of 4x2 = − 9x − 4?

nignag [31]

Get all on one side
add 9x+4 both sides
4x^2+9x+4=0
use quadratic formula
in form
ax^2+bx+c=0
x= $\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}$

a=4
b=9
c=4

x= $\frac{-9+/- \sqrt{9^{2}-4(4)(4)} }{2(4)}$
x= $\frac{-9+/- \sqrt{81-64} }{8}$
x= $\frac{-9+/- \sqrt{17} }{8}$
x= $\frac{-9+ \sqrt{17} }{8}$ or $\frac{-9- \sqrt{17} }{8}$

aprox
x=-1.64039 or -0.6096

8 0

4 years ago

Read 2 more answers

Combine like terms to simplify the expression:<br> 1.17-0.07a+(-3.92a)

Pachacha [2.7K]

After combining like terms and simplifying $1.17-0.07a+(-3.92a)$ we get $1.17-3.99a$