Sequences And Series
The first term in an arithmetic sequence is -20, and the 2nd term is -10. What is the 3rd term?
What is 0?
is x^2 a polynomial?
What is false?
Simplify: x^3 * x^7 / x^5
what is x^5?
x = 9 - 6t
y = 3 + 5t
When x = -12, what is y?What is: x = 9 - 6t = -12
t = -21/(-6) = 3.5
When t = 3.5, y = 3 + 5(3.5) = 20.5?
Convert: (-4, 2π/3)
What is (2, -2√3)?
What is the 12th term of the sequence: -2, -4, -6...
A. -28
B. -26
C. -24
D. -20
What is C?
Find the leading coefficient of x^3 in the expansion of:
(2x^3 - 5x^2 + 2x - 1)(3x^3 + 2x^2 - 9x + 7)
What is 6?
Simplify: (2a^3 b^2) (3ab^4)^3
what is 54a^6 b^14?
The graph given by these functions will cross the x-axis at what point?:
x = t^2 - 6t
y = 8 - 2t
What is:
Graphs cross x-axis when y = 0
y = 8 - 2t = 0 at t = 4
When t = 4, x = 16 - 6(4) = -8
Point: (-8,0)
Express the equation: x^2 = 4y
What is the formula to solve this?
1 - 2/3 + 4/9 - 8/27 +...
What is S=a0/1-r?
Convert: (5/x-8) + 2
What is 2x - 11 / x - 8?
Simplify: √25b - √b^3
What is (5 - b) √b?
Find an equation of the form: y = ax^2 + bx + c for the points on the graph of these functions
x = 3 + t
y = 2t^2 + t
What is: y = 2x^2 - 11x + 15?
Express the polar equation in rectangular coordinates:
r = 5 sec 0
What is x = 5?
Evaluate the series:
for 5n from n=3 to n=8
A. 125
B. 38
C. 210
D.165
What is D?
Convert: (4/(x-1)^2) + 6
What is 6x^2 - 12x +10 / x^2 - 2x + 1?
Solve: (4√16t^4 / y^8)
Find an equation of the form: x = ay^2 + by + c for the points on the graph of these functions
x = t^2 - 8t
y = 4 - 2t
What is: x = 0.25y^2 + 2y - 12?
Express the polar equation in rectangular coordinates:
r = 2 + 2 cos 0
What is (x^2 + y^2 - 2x)^2 = 4(x^2 + y^2)?
A rope is swinging in such a way that the length of the Arc is geometrically. If the first Arc is 18 feet long and the third Arc is 8 feet long . What is the length of the second Arc?
A. 12 feet
B. 10 feet
C. 5 feet
What is A?
Convert: -3x^2 + 24x -54/x^2 - 8x + 16
What is (-6/(x - 4)^2) - 3?
Solve: log √0.0001
What is -2?
Find an equation of the form: y = mx + b for the points on the graph of these functions.
x = 12 - 3t
y = -4 + 2t
What is: y = -2/3x + 4?
Convert from polar form to rectangular form:
r = 4 cos 0
What is (x - 2)^2 + y^2 = 4?