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Oksanka [162]
3 years ago
8

What is the value of the y-coordinate of the y-intercept of the function shown below? F(x)=-3x^2+5x-4

Mathematics
1 answer:
Crank3 years ago
7 0

Answer:

The y-coordinate of the y-intercept is -4

Step-by-step explanation:

we know that

The y-intercept is the value of y when the value of x is equal to zero

so

In this problem we have

F(x)=-3x^2+5x-4

Find the y-intercept

For x=0

F(0)=-3(0)^2+5(0)-4=-4

The y-intercept is the point (0,-4)

therefore

The y-coordinate of the y-intercept is -4

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Write a slope intercept equation for a line that passes through (-2,5) and (2,-7)
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Slope-intercept form: y = mx + b, where m is the slope and b is the y-intercept.

First, find slope using the given coordinates. Formula for slope: y₁ - y₂ / x₁ - x₂.

Our coordinates are (-2, 5) and (2, -7). Plug them in and simplify.

5 - (-7) / -2 - 2

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To find b, plug an (x, y) coordinate on the line in for x and y in the equation and solve. I'll use (-2, 5)

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<h3>Answer:</h3>

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