Written Practice. Lesson 21. 1. For every 4 feet a ladder rises, the base of the ladder should be placed 1 foot away from the bottom of a building. If the base of the ladder is 7 feet from the bottom of a building, find the height the ladder rises up the building. x. 7 ft. 2.
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What is a term of an algebraic expression?
Explain how to use the inverse operations to solve .
Graph the ordered pair (-2, 6) on a coordinate plane.
The length of a rectangular picture frame is 3 times the width.
Draw a picture of the picture frame and label the dimensions.
Write an expression for the area of a frame.
Multiply both sides by
Multiply both sides by -9
Divide both sides by -52
Divide both sides by 52
3z2y + 2yz – 4y2z – z2y + 8yz
can be combined.
- 4 - 3 + 2 - 4 - 3 - 8
9 – 3p
13p + 5
13p - 9
Complete the table and
graph the solutions.
b. What does it mean to say that after 8 minutes, she is 0 yards from the school?
a. Simplify the expressions 43 and .
b. Write an expression for the multiplication of 43 and without using exponents. Then check to see if the product of the expressions is 1.
-|15 – 5|
Write expressions representing the number of strawberries and kiwis each stand has to sell.
Write an expression for the total number of pieces of fruit.
Student A Student B
x – 5 = 11
+5 = +5
x = 16
x – 5 = 11
-5 = - 5
x = 6