Solving Linear Equations
x - 8 = 6
x = 14
The sum of the angles on a straight line is 180 deg. Write an equation for diagram A then find the value of the unknown letter.
y = 50 deg
What is the area of diagram B?
23 m^2
-4(2x - 6)
-8x + 24
What is the area of diagram G?
d^4 + d^3 p^2
4y + 5 = 25
y = 5
The length of a rectangle is twice its width. If the perimeter is 72m, what is the length and width of the rectangle?
width = 12 m
length = 24 m
What is the area of diagram C?
12.5 m^2
3x(1 + 2x - x^2)
-3x^3 + 6x^2 + 3x
What is the area of diagram H?
9e^2 + 3e
g/6 - 7 = 5
g = 72
The sum of two numbers is 25. The second number exceeds the first number by 9. What are the two numbers?
Second # - 17
What is the area of diagram D?
12.56 cm^2
2(y - 1) + 3(y - 2)
5y - 8
What is the area of diagram I?
154 c^2
3p - 4 = 2p + 5
p = 9
The cost of 2 tables and 3 chairs is $705. If the table cost $40 more than the chair, find the cost of the table and chair.
Table - $165
Chair - $125
What is the area of diagram E?
63 cm^2
4x^2 (2 - 3x) - 4(3x - 4)
-12x^3 + 8x^2 + 12x - 16
What is the area of diagram J?
-25ab - 20a
6r - 9 = 3r + 4
r = 13/3 or 4 1/3 or 4.333
Robert's father is 4 times as old as Robert. After 5 years, his father will be 3 times as old as Robert. Find their present age.
Robert is 10 years old
His father is 40 years old
What is the area of diagram F?
45 m^2
(2z + 1) ( 3 + z)
2z^2 + 7z + 3
What is the area of diagram K?
f^2 + 8f + 16