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2 years ago

Does the equation open up or down? Y = -3x2 +7x - 2

Mathematics

2 answers:

stealth61 [152]2 years ago

8 0

Answer:

down

Step-by-step explanation:

Since the coefficient of the x^2 term is negative, the parabola makes a frown and opens upside down

Helga [31]2 years ago

7 0

Answer:

Opens downward, like a frowning face

Step-by-step explanation:

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What are the roots of x^3-8=0?

algol [13]

Answer:

hello : x = 2

Step-by-step explanation:

note : a^3 = b^3 : a=b

x^3-8=0

x^3=8

x^3= 2^3

so : x=2

7 0

2 years ago

Can someone please help thank you

denis-greek [22]

Answer:

Step-by-step explanation:

the graph is known to be the infinite set of points on the line

4 0

3 years ago

DochEvi [55]

Answer:

4 quarters

10 tenths

Step-by-step explanation:

<h3>Tenths</h3>

$\frac{1}{10}$

<h3>Quarter</h3>

$\frac{1}{4}$

<h3>Whole</h3>

$1$

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

$1 = \frac{1}{4}+\frac{1}{4}+\frac{1}{4}+\frac{1}{4}$

∴ There are <u>4</u><u> </u><u>quarters</u> to make a whole

$1 = \frac{1}{10}+\frac{1}{10}+\frac{1}{10}+\frac{1}{10}+\frac{1}{10}+\frac{1}{10}+\frac{1}{10}+\frac{1}{10}+\frac{1}{10}+\frac{1}{10}$

∴ There are <u>10</u><u> </u><u>tenths</u><u> </u>to make a whole

5 0

2 years ago

Joshua is going to mow lawns during his summer break. The graph in the figure shows a linear relationship between the number of

inessss [21]

Answer:

we need the graph to answer the question

Step-by-step explanation:

we wont know much he makes each week without the graph

7 0

3 years ago

A square serving platter has an area of 124 inches squared. Which is the best estimate of the side length of the platter?

mafiozo [28]

Answer:

Approximately 11 inches

Step-by-step explanation:

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3 years ago