How do I find out if a function is in standard form

2 answers:

4 0

A standard form is Ax+By= C
But the A can’t be a negative or a fraction so if a question gave you two coordinates (5,10)(-2,-4) to find the slope you would do change in y over x so your slope is 2 so now you know y=2x+b. After this substitute a coordinate 10=10+b so b is 0 so your equation is y=2x. To put it in standard form you move the 2x so -2x+y=0 and since Ax can’t be a negative you multiply everything by -1 to get a standard form of 2x-y=0

anzhelika [568]3 years ago

3 0

Hey!

A function in slope-intercept form would look like y=mx+b; with the x and y values on the opposites of the equation.

A function in standard form would look like ax+by=c; with the x and y values on the same side of the equation.

Hope this helps!

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What is the correct answer?<br> 3 √64

STALIN [3.7K]

i thinks it’s 24. is it asking what 3 times the square root of 64 is?

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hichkok12 [17]

$ax^2+bx+c=0\\\\\Delta=b^2-4ac\\\\if\ \Delta > 0\ then\ exist\ two\ solutions\\\\x_1=\dfrac{-b-\sqrt\Delta}{2a}\ and\ x_2=\dfrac{-b+\sqrt\Delta}{2a}\\\\if\ \Delta =0\ then\ exist\ one\ solution\ x_o=\dfrac{-b}{2a}\\\\if\ \Delta < 0\ then\ no\ solutions$

We have:

$x^2-2x+6=0\\\\a=1;\ b=-2;\ c=6\\\\\Delta=(-2)^2-4\cdot1\cdot6=4-24=-20 < 0$

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4 years ago

Which measure is of an angle that is conterminal with a 95 degree angle

timofeeve [1]

Answer: Choice B

95 - 1080n for any integer n

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Explanation:

Notice how 1080 is a multiple of 360 since 360*3 = 1080. The other values 1450, 780 and 340 are not multiples of 360. For example 1450/360 = 4.02777 approximately. We need a whole number result to show it is a multiple.

Therefore, choice B shows subtracting off a multiple of 360 from the original angle 95. In my opinion, it would be better to write 95+360n or 95-360n to make it more clear we are adding or subtracting multiples of 360.

Choice B will find coterminal angles, but there will be missing gaps. One missing coterminal angle is 95-360 = -265 degrees. So again, 95-360n is a more complete picture. I can see what your teacher is going for though.

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Answer:

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Step-by-step explanation:

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Multiplication of three with previous number will give you next number in series.

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