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Poll: what exactly is a coefficient

what is a coefficient? do you know?-Coefficient is a term used in mathematics a lot.Its a fancy name for the number that goes before the variables (usually xs) in the formula. For example if you had

What is the equation to the circle The endpoints of the diameter are (2,-4) and (-3, 2). please show working!

i am so stuck on how to use the distance formula?-Find the distance of the two points of the diameter and divide it by 2 to get the radius. d = sqrt( (-3-2)^2 + (2+4)^2) = sqrt( 25 + 36) = sqrt(61)Th

How come arccos(cos2) = 2, but arccos(cos4) = 2.28

I suppose it has to do with the range of arccos, but where exactly does 2.28 come from? Thanks.-Because2 radians iswithin thefirst loopof thecoscurve,but4radiansisbeyondarevolution,so itdefaultsback

Help! 7th grade math *four digit problems* its due tommorow

its like this you use the numbers 1-4 you cant repeat them in a answer you can use addition multiplication subtraction not division and you can use () and you have to use all the numbers and or lets s

Help with 8th grade math problem

b3 - 21 --------- 5b + 9 b= 3 ^ oh and its a fraction if u cant tell. the answer is 1/4 but i keep getting -1/2 another ive been stuck on for 10 min. is 2 x 2 + 3^2 - 4 + 3 x 5 in this one when

Use factorization to simplify the given expression

Use factorization to simplify the given expression in part (a). Then find the indicated limit in part (b). a) 6x^3+18x^2+18x+6/x^4+x^3+x+1 b) Lim -------> -1 6x^3+18x^2+18x+1/x^4+x^3+x+1-Im working

OK think of a number. Add 12 to the number. Subtract 2. Divide that number by 5. Add 20.

Did you get 12? Neither did I-I can get 12, if I try (x + 12 - 2) / 5+20 = 12 (x + 10) / 5 = -8 x + 10 = -40 x = -50-Ok, x+12-2If x=5, the answer would be 23...-----------+ 20If x=10, the answer woul

Can someone help me with slope formulas for Algebra 2

determine the slope of the line that contains each of points 1) (-3 , 5)( -7 , 2) 2) (-9 , -1)(-6 , 2) 3) (4 , 8)(-2 , 12) 4) (2 , -8)(2 , -3) dertermine the equation of the line that contains ea

Alg. II math help??

How would you simplify 3/2 raised to the negative third power? This is under chapter 8 lesson 2, which is dividing monomials.-first off, when something is raised to the negative power, you flip it. s

Helped On Math *fraction Help Please

1/4 of 12(Fractional Part) 5th Grade How Do you Figure it do you Divide the fraction or Multiply Or What ?-1/4 * 12/1 = 12/4 = 3/1 = 3-heres my tip divide by the bottom, multiply the top 1/4 of 12

Why is this answer wrong? Parabolas, directrix, tangent lines, lions and tigers oh my!

I do not understand why so many math experts would mark this answer wrong. If you graph the parabola, they would have the directrix going through the middle of it.What am I not seeing here? http://an

Help with word problem?!?!

Thick crust pizza takes 0.15 ounce of dough per square inch of surface area. You have two rectangular pans one that is 16 inches long and 14 inches wide, and one that is 15.5 inches long and 10 inches

I need help with slopes and doing this equation : y=mx+b ?!?!?! Dx

okay so i found the slope :) and now i have to determine the equation of the line but idk how to do that. so like this is one example: (13,8) and (11,12) . . . the slope is -2 . now i need help with

Regretting taking Pre Algebra...? :(

I just signed up for it because my teacher said if I didnt the regular math class would be WAY to easy for me, but now Im kinda regretting it... What if its too hard??-Dont worry about it. Algebra see

Simple math question

What is the GCF of 252 and 96? Im not so bright at math.-Im assuming you are talking about the greatest common factor, or GCF, which is the greatest factor that divides two numbers. To find the GCF o
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