pre-algebra
-8 + (-5) = ?
-13
Solve 3x = 15
Perimeter of 4 x 6 rectangle
20
Value of cos(90°)
0
Q1
f'(x)=3x2+4x
15% of 80
12
Factor x2-25
(x-5)(x+5) or (x+5)(x-5)
Area of circle with r = 3
9π
Q2
1 + cos(x)
Q2
4
2 + 2 x 2 = ?
6
Vertex of y = (x - 2)2 + 3
(2, 3)
Total inner angle of hexagon
720°
Solve 2sin2x−sinx−1=0 for 0≤x<2π
x=π/2, 7π/6, 11π/6
Q3
2x3−2x2+3x+C
Greatest common factor of 24 and 36
12
Solutions to x2 - 4x - 12 = 0
x = 6, -2
Volume of a standard cone with diameter of 8 and height of 6
32π
Q4
(-∞ , -3]U[3,4)U(4,5)
Q4
ex(x−1)+C
Find the sum of the prime factors of 1001
29
(Prime factors of 1001 are 7, 11, and 13, and the Answer = 7 + 11 + 13)
Q5
Answer
A circle has a radius of 55. A square is inscribed inside the circle. What is the area of the square?
50
The shape of polar graph r=2-2sinθ
Heart shape (Cardioid)
Q5
diverges