linear
what is the slope of y = 3x+5?
3
what is the vertex of y = (x-2)^2+3
(2,3)
simplify 6/8
3/4
square of 16
4
sin (0)
0
(2,5)
x^2-9=0
x = +-3
multi. (x/2)(4/x)
2
simp. squar root of x^2
|x|
solve cos x = 1
0 and 360
what is the y intercept of y = -4x+9?
9
factor x^2+5x+6
(x+2)(x+3)
divide x^2/x
x
simp. x^1/2
square root of x
solve tan x = 0
0, 180,360
solve system: y = x+2 and y = 2x-1
(3,5)
quadratic formula
x^2-4x-5=0
x = 5,-1
sub. 3/x-1/x
(2+x)/2x
milti. square root of 3 time square root of 12
6
sin(30)
1/2
identify domain of piecewise
f(x) = x^2
if x>= 0, -x if x<0
domain all real numbers
what are the roots of x^2+4=0
x= +- 2i
simp. (x^2-4)(x-2)
x+2
find f(g(x)) if f(x) = x+1, g(x) = x^2
x^2+1
tan(45)
1