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True [87]
2 years ago
5

If the vertex of a parabola is at the point (-2, 5), then the equation for the axis of symmetry for the parabola is x = -2. True

or false?
Mathematics
1 answer:
balandron [24]2 years ago
6 0

Answer:

true

Step-by-step explanation:

thats really it i believe its true

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Answer:

2x+3(10+x)

Step-by-step explanation:

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The numbers 0,1/2, -53 and 0.433 all belong to which category ?
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0, 1/2, -53, and 0.433 all belong in rational category
3 0
3 years ago
Match the story to the equation: If 1/3 of the drive to Han's school is 2 miles, how long is the whole drive to school? Group of
lubasha [3.4K]

Answer:

2x1/3 sorry if not right

Step-by-step explanation:

5 0
3 years ago
Solve rational inequality x²+x-6/x²-3x-4≤0?​
Fittoniya [83]

Answer:

Step-by-step explanation:

x

2

+

x

−

6

=

(

x

+

3

)

(

x

−

2

)

x

2

−

3

x

−

4

=

(

x

−

4

)

(

x

+

1

)

Each of the linear factors occurs precisely once, so the sign of the given rational expression will change at each of the points where one of the linear factors is zero. That is at:

x

=

−

3

,

−

1

,

2

,

4

Note that when

x

is large, the

x

2

terms will dominate the values of the numerator and denominator, making both positive.

Hence the sign of the value of the rational expression in each of the intervals

(

−

∞

,

−

3

)

,

(

−

3

,

−

1

)

,

(

−

1

,

2

)

,

(

2

,

4

)

and

(

4

,

∞

)

follows the pattern

+

−

+

−

+

. Hence the intervals

(

−

3

,

−

1

)

and

(

2

,

4

)

are both part of the solution set.

When

x

=

−

1

or

x

=

4

, the denominator is zero so the rational expression is undefined. Since the numerator is non-zero at those values, the function will have vertical asymptotes at those points (and not satisfy the inequality).

When

x

=

−

3

or

x

=

2

, the numerator is zero and the denominator is non-zero. So the function will be zero and satisfy the inequality at those points.

Hence the solution is:

x

∈

[

−

3

,

−

1

)

∪

[

2

,

4

)

graph{(x^2+x-6)/(x^2-3x-4) [-10, 10, -5, 5]}

8 0
3 years ago
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Mark and Bobby are going to share a pizza mark will randomly choose the topping for his half the topping choices are pepperoni m
just olya [345]

1and8

Step-by-step explanation:

6 0
3 years ago
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