Write the first six terms of the sequence.
An=n²=6
100
10-i
Write the expression as a complex number in standard form.
(8+2i)+(2-3i)
100
45°
The hypotenuse and one of the legs of a right triangle form an angle that has a cosine of √2/2. What is the measure of the angle?
100
All real numbers
What is domain?
200
-2±√6
Solve the equation.
x²+4x-2=0
200
9,27,81,243,729,2187
Write the first six terms of the sequence.
An=3^n+1
200
-9+17i
Write the expression as a complex number in standard form.
(-8+4i)+(-1+13i)
200
Complementary
In trigonometry, cofunctions (sine and cosine, cosecant and secant, and tangent and cotangent) of __________________________ angles are congruent.
200
f(x)-1 =x - 3/4
What is the inverse function of f(x) = 4x + 3?
300
0,2
Solve the Equation.
x²+2x=4x
300
-4/3,-2/3,-4/9,-1/3,-4/15,-2/9
Write the first six terms of the sequence.
f(n)=4/-3n
300
17-9i
Write the expression as a complex number in standard form.
6-(-11+9i)
300
Yes
Is this equal to sin 21°? cos 69°
300
[0, ∞)
The RANGE of the function f(x) = (x - 3)2 is
400
0.13,1.25
Solve the Equation
2.5x²-2.8x=0.4
400
a10=21
Find the 10th term of the sequence
3, 5, 7, 9, ...
400
-2.1+13.1i
Write the expression as a complex number in standard form.
(-2.7+7.8i)+(0.6+5.3i)
400
322.75 feet
A guy-wire is attached to a pole for support. If the angle of elevation to the pole is 67° and the wire is attached to the ground at a point 137 feet from the base of the pole, what is the height of the pole (round to 2 decimal places)?
400
all real numbers greater than or equal to zero
A ball is launched at 20 m/sec from a 50 m tall platform. The function of the ball’s height (h) at time (t) seconds after launch is h(t) = -5t2 + 20t + 50. What is the domain of this situation?
500
b=±4
Use the discriminant to find all values for b, which the equation has one real root.
x²+bx+4=0
500
a25= 65
Find the 25th term of the sequence
-7, -4, -1, 2, ...
500
-38+28i
Write the expression as a complex number in standard form.
-13-(15-3i)+25i
500
494 ft
At takeoff, a plane flies at an angle of 10° with the runway. After it has traveled a ground distance of 2,800 feet, find the vertical distance the plane has gained from takeoff. Round your answer to the nearest foot.
500
g-1(x) =1/2x- 3, x≠0
Determine g-1(x) of the function g(x) =1/2x + 6 where x≠ -3.