1. Warm Up Solve each equation. 1. y – 4 = 3x – 8, for x
2. m – hp = d, for p
3. A = ½bh, for h
4. S = C + xC, for x

2. Consecutive Integers and Perimeter

3. Objective TSWBAT find consecutive integers with given sums and.
TSWBAT find perimeter of a figure.

4. Define a Variable: to let a variable represent an unknown value.
Define a variable, write an equation and solve.
1. The width of a rectangle is 2 cm less than its length. The perimeter of the rectangle is 16 cm. What is the length of the rectangle?

5. Define a variable, write an equation and solve.
2. The width of a rectangle is 3 in. more than twice its length. The perimeter of the rectangle is 36 in. What is the width of the rectangle?

6. Consecutive Integers: integers that differ by one.
Example:
Name four consecutive integers, if the first one is:
14?
29?
14,
15,
16, 17
29, 30, 31,32 n?
- 17? n,
n + 1,
n + 2,
n + 3
-17, -16, -15, -14

7. The sum of three consecutive integers is 48. Find the integers.

8. Consecutive Even/Odd Integers: integers that differ by two, the first being even/odd.
Example:
What’s the next four even integers if the first is: x?
22? x,
x + 2,
x + 4,
x + 6
22,
24,
26, 28

9. Consecutive Even/Odd Integers: integers that differ by two the first being even/odd.
Example:
What’s the next four odd integers if the first is:
13? n? n,
n + 2,
n + 4,
n + 6
13,
15,
17, 19

10. The sum of three consecutive even integers is 72. Find the integers.

11. The sum of four consecutive odd integers is 136? Find the integers.

12. Assignment