Word problem with three variables, Three students were participating in a s...

Three students were participating in a school''s fundraiser. The first student sold 2 candy bars, 7 pies, and 3 cookie dough. The second student sold 10 candy bars, 2 pies, and 2 c

Sketch the graph of ellipses, Example:   Sketch the graph of ellipses.  ...

Example:   Sketch the graph of ellipses.                                  (x +2) 2 /9 + ( y - 4) 2 /25 =1 Solution So, the center of this ellipse is ( -2, 4) and as usua

Quadratic equations,

Find out angle of a triangle, Let a = 2 cm, b = 6 cm, and angle A = 6...

Let a = 2 cm, b = 6 cm, and angle A = 60°.  How many solutions are there for angle B   We must calculate b sin A .  If it is less than a , there will be

Exponential functions, Definition of an exponential function If b is an...

Definition of an exponential function If b is any number like that b = 0 and b ≠ 1 then an exponential function is function in the form,

I just don''t get it, Determine which system below will produce infinitely ...

Determine which system below will produce infinitely many solutions. 2x + 5y = 24 2x + 5y = 42 3x - 2y = 15 6x + 5y = 11 4x - 3y = 9 -8x + 6y = -18 5x - 3y = 16 -2x + 3y =

Linear inequalities, 7-four divided by5x is greater than3 divided by 5_

7-four divided by5x is greater than3 divided by 5_

#title polynomials, how to solve this p(x)=2x^4

how to solve this p(x)=2x^4

Turning points - polynomials, The "humps" where the graph varies direction ...

The "humps" where the graph varies direction from increasing to decreasing or decreasing to increasing is frequently called turning points .  If we know that the polynomial con

Introduction to Algebra, What is ALgebra

What is ALgebra