Algebra 1
What is 3?
Angles right next to each other that add up to 90
What are Complementary angles?
A square has sides measuring x+3 cm.
If its perimeter is 28 cm, find x.
What is 4?
Solve: x2 - x - 30
What is 6,-5?
Complete the sequence: 5, 20, 80,x
What is 320?
The base of a triangle is x - 6 meters, and its height is also x - 6 meters.
If the area of the triangle is 4 m², find the value of x.
What is 8,4?
Solve:
{3x−2y=4
{2x+y=5
What is x=2,y=1?
Point A is at (-7,5) and point C is at (5,-1).
Find the coordinates of point B on line AC such that AB is 5 times as long as BC.
What is 3,0?
Find the equation of the line passing through the points A(–2,3) and B(4,–9).
What is y=−2x−1?
Solve: If f(x)=2x2−3x+1, find f(4)
What is 21?
A ladder leans against a wall, forming a 68° angle with the ground. The bottom of the ladder is 5 feet away from the wall. Find the length of the ladder.
A circle has center C(2,−1) and passes through the point (5,3).
Find the equation of the circle.
(x−2)2+(y+1)2=25
A small toy is launched straight upward from a platform 5 meters above the ground. Its height (in meters) after t seconds is modeled by h(t)=−3t2−7t+5. After how many seconds will the rocket return to the platform (that is, when h=0)?
x=(−7±sqrt(109))/6
C and D are points on the circumference of the circle. P is the origin (center) of the circle. If PC = 3x+1, PD = 7x-15, and DPC = 90 degrees, solve for the measure of arc DC.
What is 2pi?
Jeremy is designing a rectangular gift box. He lets the width be x cm, makes the length twice the width, and the height three times the width. He wants the total surface area of the box to be 198 cm². Solve for x.
What is 3?