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2 years ago

What is Y=2(3x+6)(5x-4)

Mathematics

1 answer:

Sliva [168]2 years ago

8 0

Answer:

y=30x^2+36x+48 OR f(x)=30x^2+36x+48

This is an exponential function/exponential graph. Hope I helped!

Step-by-step explanation:

Given: y=2(3x+6)(5x-4)

Use the distributive property!: y=(6x+12)(5x-4)

Use the distributive property!: y=(5x(6x+12)-4(6x+12))

Use the distributive property!: y=(30x^2+60x)-(24x+48)

Remove parenthesis: y=30x^2+60x-24x+48y=30x^2+36x+48 OR f(x)=30x^2+36x+48

This is an exponential function/exponential graph. Hope I helped!

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2 years ago

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HACTEHA [7]

Answer:

a) The line intersects with the circle once.

b) Tangent

Step-by-step explanation:

We are given the following equation for the circle:

$x^2 + y^2 = 36$

How many times does the line y=-6 intersect with the circle?

We have to find the values of x when $y = -6$

$x^2 + y^2 = 36$

$x^2 + (-6)^2 = 36$

$x^2 + 36 = 36$

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$x = 0$

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