Algebra & Functions
Solve for X: 2x + 5 = 15
What is 5?
What is the area of a rectangle with a length of 8 and width of 5?
40 square units
If a shirt costs $25 and is on sale for 20% off, what is the sale price?
$20
What is sin(30°)?
The slope of the line represented by the equation y=3x+4
What is 3?
Find the perimeter of a triangle with sides 7, 10, and 12.
4 units
A train travels 60 miles in 1.5 hours. What is its average speed in miles per hour?
40 miles per hour
If cos(θ) = 0.5, what is θ in degrees?
θ = 60°
If f(x) = 2x² + 3x – 1, find f(2).
What is 9?
In a right triangle, if one leg is 3 and the hypotenuse is 5, what is the length of the other leg?
4 units
The ratio of boys to girls in a class is 2:3. If there are 20 boys, how many girls are in the class?
30 girls
What is the value of tan(45°)?
1
Solve for x: √(x + 6) = 5
What is 19?
What is the volume of a cylinder with radius 4 and height 7?
Volume = 351.68 cubic units
A room is 12 feet long and 10 feet wide. How much carpet is needed to cover the floor?
120 square feet
Solve for x: 3cos(x) = 1
x = 70.53°
Simplify the expression: (3x² - 2x + 4) - (x² + 5x - 7)
What is 2x² - 7x + 11?
Find the circumference of a circle with a radius of 9. (Use π ≈ 3.14)
56.52 units
If a car travels 150 miles in 3 hours, how long will it take to travel 600 miles at the same speed?
12 hours
If log₃(27) = x, what is the value of x?
3