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blsea [12.9K]
3 years ago
5

Which graph shows that y varies directly as x?

Mathematics
1 answer:
Alona [7]3 years ago
6 0

Answer:

Step-by-step explanation:

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What is the equation of the axis of symmetry for this function? H(x) = -X2 + 10x - 11 x = -5 0 x= -10 x = 5 x = 10
siniylev [52]

Given:

The equation of a quadratic function is:

H(x)=-x^2+10x-11

To find:

The equation of the axis of symmetry for the given function.

Solution:

If a quadratic function is f(x)=ax^2+bx+c, then the equation of the axis of symmetry is:

x=-\dfrac{b}{2a}        ...(i)

We have,

H(x)=-x^2+10x-11

Here, a=-1,b=10,c=-11. So, the equation of axis of symmetry by using (i), is

x=-\dfrac{10}{2(-1)}

x=-\dfrac{10}{-2}

x=5

Therefore, the correct option is C.

8 0
3 years ago
Please help me<br><br> y=-2x+2<br> y=2x+2<br> y= -1/2x+2<br> y= 1/2x+2
grin007 [14]
Okay well, just by looking at the graph. It’s a negative slope and the only answer, that has a negative is the 3 one.
4 0
4 years ago
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Question : -6+(-6)+(-6)
Dovator [93]
I believe -18!

-6-6-6
6 0
3 years ago
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Use the commutative property of multiplication to write a related multiplication sentence 3 x 4 = 12
V125BC [204]
4x3=12. The commutative property of multiplication says that two numbers can multiplied either way without getting another answer.
3 0
3 years ago
Triangle M R N. Angle N is 98 degrees. Side N M extends to form exterior angle with a measure of 109 degrees.
Scilla [17]

Answer:

16 degrees

Step-by-step explanation:

<u><em>The question is</em></u>

Find the measure of angle R

we know that

An exterior angle of a triangle is equal to the sum of the opposite interior angles

so

In this problem

m\angle N+m\angle R=109^o

we have

m\angle N=93^o

substitute

93^o+m\angle R=109^o

m\angle R=109^o-93^o=16^o

7 0
3 years ago
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