Sewanhaka High School
Mrs. Lidowsky, Principal
Math 8
Mr. Long, Teacher
Per:________________
Date:_____________________
Name:________________________________
HW #77: Multiplying Binomials
Directions: Answer all questions. Show work.
Find the product for exercises 1 to 3
1) (x + 12)(x – 10) = _______________________________________________________________________
2) (-3x + 8)(8x + 1) = ______________________________________ ________________________________
3) (10x – 4)2 = ___________________________________________________________________________
4) Find the area of the following parallelogram. Write the answer as a trinomial. (example answer: x2 + 3x – 4)
3x - 2
2x + 1
5) Multiply and write the answer as a positive exponent: (x-12)( x5) =
6) Approximate the square root of 145 to the nearest integer.
7) Multiply: 12d(5d + 1) =
8) Discover a pattern to solve the word problem. Clearly show your steps and all work.
Dwayne’s weight is twice Beth’s weight minus 24 pounds. Dwayne weighs 120 pounds. How much does
Beth weigh?
Answer for 8: Beth weighs
pounds
Write each fraction in simplest form.
26

9)
52
10)
8

34