3 years ago

A student solves a quadratic and gets solutions of x=-7 and x=8. Could the discriminant of this equation equal -188?

Mathematics

1 answer:

MrMuchimi3 years ago

8 0

Answer:

Step-by-step explanation:

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Xelga [282]

Answer:

Thank you very much :3

Have a great day!

also 1 + 1 is 2

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3 years ago

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Please answer quickly, I will mark you brainiest

yan [13]

Answer:

The answer is x = -3, 3

Step-by-step explanation:

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3 years ago

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What is the average rate of change of the function on the interval from x = 0 to x = 5?

crimeas [40]

Answer:

Average rate of change $=\frac{1}{8}$

Step-by-step explanation:

Given interval are from $x=0\ to\ x=5$

Also, $=\frac{1}{2^3}x=\frac{1}{8}x$

Average rate of change $=\frac{f(b)-f(a)}{b-a}\ for\ given\ interval\ [a,b]$

Here given intervals are $a=0\ and\ b=5$

Plugging these value in formula, we get.

Average rate of change $=\frac{\frac{1}{8}(5)-\frac{1}{8}(0)}{5-0}\\\\=\frac{\frac{1}{8}(5)-0}{5-0}\\ \\=\frac{\frac{1}{8}(5)}{5}\\\\=\frac{1}{8}$

4 0

3 years ago

Debbie can spend -at the most $60 on clothes. She wants

Nostrana [21]

Answer: $22+8x\leq 60$

Step-by-step explanation: $60 to spend the cost of x t-shirts will be 8x

all together you get $22+8x\leq 60$

8 0

3 years ago

What’s (2x-4)(6+5x) As a polynomial?

Pavel [41]

Answer:

10x² - 8x - 24

Step-by-step explanation:

Given

(2x - 4)(6 + 5x)

Each term in the second factor is multiplied by each term in the first factor, that is

2x(6 + 5x) - 4(6 + 5x) ← distribute both parenthesis

= 12x + 10x² - 24 - 20x ← collect like terms

= 10x² - 8x - 24

5 0

3 years ago

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