Algebra
What is the square root of 108?
6 sqrt(3)
The following equation describes a circle. Find the center and the radius of the circle.
x^2+y^2+6x−6y−7=0
C(-3, 3)
Radius: 5
A building 200 feet tall casitas a 90 foot shadow. If a person whose eyes are 5 feet above the top of the building looks down from the top of the building, what is the measure of the angle between the end of the shadow and the edge of the building? Round to the nearest tenth of a degree.
25.4°
Perpendicular lines have slopes that are ______ ______
What are opposite reciprocals?
This is used to find the interior angle sum of a polygon.
What is (n-2)180 ?
Ishaan is 3 times as old as Christopher and is also 14 years older than Christopher.
How old is Christopher?
Christopher is 7
What is a name for this triangle: The legs are the same length and the hypotenuse is the leg length times the square root of 2.
What are the side lengths of a 45-45-90 triangle?
Two friends, Rakesh and Vishal started climbing a pyramid-shaped hill. Rakesh climbs 315 m and finds that the angle of depression is 72.3 degrees from his starting point. How high is he from the ground?
300.088 m
Parallel lines have the same ______
What is slope?
Equation for the area of a circle.
What is pi x r squared?
A big ship drops its anchor.
E represents the anchor's elevation relative to the water's surface (in meters) as a function of time t (in seconds).
E=-2.4t+75
How far does the anchor drop every 5 seconds?
12 meters
The two congruent angle measures of a right isosceles triangle.
What is 45 degrees?
The angle measure of a right triangle whose opposite side is 15 and whose hypotenuse is 17.
What is 61.9 degrees?
What form is this equation in?
y = mx + b
What is slope intercept form?
Equation for the circumference of a circle
What is pi X d or 2(pi)r?
(x+2)/(x+9)=8/x
Solve for all values of x
-6, 12
The longest side of a right triangle.
What is the hypotenuse?
Find the other two side lengths of a triangle with side length 18.9 between angles 87° and 42°
24.29 and 16.27
This is used to find the interior angle measure of a regular polygon.
What is (n-2)180/n?
Use the long division method to find the result when 12x^3+5x^2−27x+13 is divided by 3x−1
4x^2+3x−8+5/(3x−1)
What is the name for this triangle: The hypotenuse is twice as long as the shortest side and the medium side is the short side times the square root of 3.
What are the side lengths of a 30-60-90 triangle?
A straw is placed inside a rectangular box that is 3 inches by 6 inches by 7 inches, as shown. If the straw fits exactly into the box diagonally from the bottom left corner to the top right back corner, how long is the straw? Leave your answer in simplest radical form.
sqrt(94) inches
When parallel lines are intersected by a transversal, these angles are congruent?
What are alternate interior, alternate exterior and corresponding angles?
This is the law of sines.
What is Sin A/a = Sin B/b = Sin C/c?