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larisa [96]
3 years ago
6

Solve this question : -10k2+7

Mathematics
1 answer:
german3 years ago
7 0

Answer:

-10k×2+7

= -20k+7

Step-by-step explanation:

is the answer

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What value of m does the graph y = 18x2 + mx + 2 have exactly one x-intercept?
Vlada [557]
To get the graph to have one x-intercept, we must find the m value where the discriminant of the equation will equal 0.

The discriminant for a graph with one x-intercept is found with the following formula:

b^2 - 4ac = 0

Plug in the values of the equation into this formula:

\text{a = 18, b = m, c = 2}
m^2 - 4(18)(2) = 0
m^2 - 144 = 0

Add 144 to both sides:

m^2 = 144

Square root both sides to get m by itself:

\sqrt{144} = \pm 12
m = 12, \ m = -12

In order for the graph to have one x-intercept, m must equal -12 or 12.
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4 years ago
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Standard Deviation and Below are, in fact, the right answer.

Step-by-step explanation:

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3 years ago
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Answer:50%

Step-by-step explanation: The correct way to calculate what percentage more attended the play is to first subtract the expected number from the actual number. 15 - 10 = 5 more attended than was expected. Next, you need to divide the 5 additional people by the 10 that were originally expected. 5 divided by 10 = 50%

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What is the range of f(x) = 3/4x – 4?
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Answer:

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