3 years ago

How many times does the quadratic function below intersect the x-axis? y = 2x2 +7x+6

Mathematics

1 answer:

sattari [20]3 years ago

6 0

Answer:

once

Step-by-step explanation:

since the equation is liner, with x simply to the first power, it will only cross the x axis once. x^2 would cross the x axis twice, x^3 would cross it three times, and so on

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Two functions are shown in the table below: Function 1 2 3 4 5 6 f(x) = −x2 + 4x + 12 g(x) = x + 2 Complete the table on your ow

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x f(x) g(x)

1 15 3

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f(x) = g(x) when x = 5

Step-by-step explanation:

f(x) = -x² + 4x + 12

f(1) = -(1)² + 4(1) + 12 = 15

f(2) = -(2)² + 4(2) + 12 = 16

f(3) = -(3)² + 4(3) + 12 = 15

f(4) = -(4)² + 4(4) + 12 = 12

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g(1) = 1 + 2 = 3

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g(5) = 5 + 2 = 7

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