Name:
name:_______________________________
1. Find an equation of the straight line through the points (1,2) and (9,6)
2. If a right triangle has hypotenuse of 13 and one leg of length 12 and θ is the angle between that leg and the hypotenuse, please
a) determine the length of the other leg
b) determine cos(θ)
c) determine sin(θ)
3. If f is a function defined by f(x) = x2 + 3
a) what is f(y)?
b) what is f(x+a) ?
c) f (f(2)) ?
4. What does the graph of y = -x2 + 9 look like?
5. Please factor x2 + 6x – 16
6. Please expand (x+ 5)3
7. Simplify sqrt( (x3)4)
8. True or False:
a) sin(A + B) = sin(A) + sin(B)
b) log(A + B) = log(A) + log(B)
c) sqrt(A + B) = sqrt(A) + sqrt(B)
9. Please fill in the following table of trig values:
θ (degrees) cos(θ) sin(θ) tan(θ)
0
30
45
60
90
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