Equations
Teacher Choice
Find the Missing Angles
More geometry...
Scale and scale factor
100
-3x + 13 = 7
x = 2
100
Solve the inequality
7x + 5 < 40
x < 5
100
If the measure of angle 1 is 85°. What is the measure of angle 3?
85°
100
What is the value of m?
80
100
On a map, 1 inch = 5 miles. If two cities are 3 inches apart on the map, how far apart are they in real life?
15 miles
200
w/4 + 14 = 28
w = 56
200
Combine like terms. Simplify the expression
10x + 5y - 2x + 4y
8x + 9y
200
If the measure of angle 1 is 85°. What is the measure of angle 2°?
95°
200
Find the value of X in the complementary angle pair.
x=30
200
A blueprint shows a classroom that is 2 in by 3 in. The scale is 1 in = 5 ft. What are the real dimensions?
10 ft by 15 ft
300
1/2m - 9 = 16
m = 50
300
Write an equivalent expression with the fewest terms possible
-8(x - 3) + 14x - 6x
24
300
What is the measure of angle C?
65°
300
What is the value of x?
x=45
300
A rug is 3 m by 4 m. A similar rug is enlarged by a factor of 2. What is the new area?
48 m²
400
4(7x + 1) = -220
x = -8
400
Write an equivalent expression with the fewest terms possible:
-2(x + 3) + 2(3x - 1)
4x - 8
400
What is the measure of angle a?
60°
400
If a circle has a radius of 10, cm what is the circumference of the circle?
62.8 cm
400
A triangle has base 10 cm and height 12 cm. If both are scaled by a factor of 3, what is the new area?
540 cm²
500
11x + 12 = 3(4x - 4)
x = 24
500
A rectangle has a width 5n - 17 and a length of 2n - 8. Solve for the value of n if the perimeter of the rectangle is 48 cm.
n = 7
500
Find the value of x
33°
500
A circle has an area of 78.5 in. What is the radius of the circle?
5 inches
500
The perimeter of a triangle is 15 cm. If all sides are doubled, what is the new perimeter?
30 cm