equivalent expressions
a^-3 and 1/a^-3
not equivilent
(x-4) (x+4)
x^2-16
(x+y)2
x2+y2+2xy
g(x)=5
g(x) = 3x-12
17/3
(a^-3)(b^2) / (b^-3)
(b^5)/ (a^3)
x and 1/x^-1
equivilent
8+6x4
2(4+3x4)
(x-4) (x-4)
x2-8x+16
3t+2/ 5-7t=4
t=-9/10
(3/4)-(7/6)
-5/12
x2+y2 and (x+y)2
not equivalent
54x13-36x2y3+63x11y
9x2(6x11-4y3+7x9y)
12ab+6bc
6b(2a+c)
sketch the following function
y=2x-3
-3 = y-int
2/1 = slope
evaluate f(3)
f(x)=x/(x-5)
3/-2
x(3/x+x) and 3+x
not equivalent
(2x-3)^2
4x^2-12x+9
3x2+6xy+9x
3x(x+2y+3)
A rectangle has an area 700 cm2 and has perimeter of 128 cm. Let l be its length and w be its width.
(a) Write an equation in terms of l and w for the area of the rectangle.
L x W= 700 cm2
-13(-3)2 (-2)5
288
3x(4x+7)-6x and 3x(4x+5)
equivilent
-9x8y-5x5y4-10x6y
-x5y(9x3+5y3+10x)
4x2+5x-6
(x+2) (4x-3)
A rectangle has an area 700 cm2 and has perimeter of 128 cm. Let l be its length and w be its width.
(b) Write and equation in terms of l and w for the perimeter of the rectangle.
2(L+W)= 128
(1/4) / (2/3 +3/6)
3/14