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3 years ago

Identify the x- and y- intercept of the function f(x)=2x^2+5x-3

Mathematics

1 answer:

ycow [4]3 years ago

6 0

0 = 2x^2 + 5x -3
0 = (2x-1)*(x+3)
2x-1=0 and x+3=0
X= 1/2 and x = -3

Y= 2(0)^2 + 5(0) - 3
Y = -3

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beks73 [17]

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3 years ago

Kevin is 4 times as old as Daniel and is also 6 years older than Daniel

MAXImum [283]

Answer:

Part a) Daniel's age is 2 years

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Step-by-step explanation:

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Part b) How old is Kevin?

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y ----> Daniel's age

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3 years ago

The perimeter of a rectangle changes from 2.5 to 10 after a dilation. What was the scale factor of the dilation?

yawa3891 [41]

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Please what is the answer

notsponge [240]

Answer:

A. x = 6

Step-by-step explanation:

I know this can look intimidating. But don't let that stop you. First the little 2 above the x means 'squared' or 'to the power of'.

And all this is asking for is 'what squared = 36?' And square is really just a number times itself. For example 3 squared is 9, or 3 x 3 = 9. A really simple way to do this if you don't know the answer by looking at it is to just square root of 36. And you can do that on your calculator. (It is this little symbol, √) and you just click 36 and then √ and it should give you 36. And then to check if you are right, just do 6 squared, or 6 x 6.

Good luck!

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2 years ago