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kenny6666 [7]
3 years ago
12

Explain how the graph of a quadratic function relates to the solutions of the related quadratic equation.

Mathematics
1 answer:
OleMash [197]3 years ago
8 0

Answer:

The zeros of a quadratic function are the solutions of the related quadratic equation. If the graph of a quadratic function crosses the x-axis, there will be two real number solutions. If the graph of a quadratic function just touches the x-axis, there will be one unique real number, or double root, solution. If the graph of a quadratic function does not cross the x-axis, there will be no real number solution.

Step-by-step explanation:

Did the question.

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There are 15 counters. One-third of the counters are yellow . How many counters are yellow?
nlexa [21]

Answer:

5

Step-by-step explanation:

15 counters/3groups=5 counters per group

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Tell whether (2,6) is a solution of y = 3x. (show your work)
Anna11 [10]

Answer:

Yes

Step-by-step explanation:

Yes, because 6=3*2.

4 0
3 years ago
What is the measure of angle B in the triangle?
pentagon [3]

Answer: Angle B measures 70 degrees

Step-by-step explanation: One angle is given as 40 while the other two angles are yet unknown.

Remember that the sum of the interior angles in a triangle equals 180 degrees. In other words

Angle A + Angle B + Angle C = 180

Therefore

40 + (2x - 30) + (x + 20) = 180

40 + 2x - 30 + x + 20 = 180

By collecting like terms we have

40 - 30 + 20 + 2x + x = 180

30 + 3x = 180

Subtract 30 from both sides of the equation

3x = 150

Divide both sides of the equation by 3

x = 50

Having calculated x = 50 we can now compute the value of angle B as follows;

When x = 50,

2x - 30 becomes

2(50) - 30

= 100 - 30

= 70.

Angle B measures 70 degrees

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Add the matrices to find the answer.
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Step-by-step explanation:

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