Solve
Solve for x: 3x + 5 = 20
x = 5
Simplify: 2x + 3x - 4x
x
Solve for x: 4(x + 2) = 2x + 18
x = 2
Simplify: 2(x - 3) - 3(x - 4)
-x + 10
What is the name for two angles that share a common vertex and a common side, and whose non-common sides form a straight line?
Linear pair
Find the value of y when x = 4 in the equation y = 2x + 1.
y = 9
Simplify: 5x - 2 + 3x - 5
8x - 7
Solve for x: 5x - 4 = 6x + 2
x = -6
Simplify: 2(3x + 1) + 4(x - 2)
10x - 6
What is the name for two angles whose sum is 180 degrees?
Supplementary angles
Solve for x: 2(x + 3) = 16
x = 5
Simplify: 4(x - 3) + 2(2x + 1)
6x - 10
Find the value of y when x = 3 in the equation y = 2x2 - 5x + 4.
y = 13
Simplify: 3(x - 2) + 2(x + 1) - x
4x - 3
What is the name for two angles whose sum is 90 degrees?
Complementary angles
Solve for x: 3x - 7 = 5x + 1
x = 4
Simplify: 3x + 4 - 2x + 5
x + 9
Solve for x: 3x - 4 = 2x + 7
x = 11
Simplify: 4(x + 2) - 3(x - 1)
x + 14
What is the name for the point at which two sides of a polygon meet?
Vertex
Find the value of y when x = 2 in the equation y = x2 + 3x - 1.
y = 9
Simplify: 6(x - 2) - 3(x + 1)
3x - 15
Solve for x: 4x + 7 = 3x - 2
x = -9
3(x - 1) - 4(2x + 3)
-10x - 9
What is the name for the point where two lines intersect?
Intersection