One-Step Equations
5x=45
What is x=9?
Graph the following inequality. x < 16
Open circle at 16 line to the left.
x/4 - 6 ≤ -10
x ≤ -16
x/7=12
What is x=84?
Tell whether x = 12 is a solution to the following equation. -3x - 13 = 23
What is no?
Solve and graph. p - 4 < 8
What is p < 12
Open circle at 12 line to left.
When you multiply or divide both sides of an inequality by a negative number, you must __________the inequality sign.
What is flip
-8x=64
What is x=-8?
Write the equation.
Mrs. Heninger purchases sandwiches for $5 each and a coffee for $2. If she spends $42. How much does she spend?
What is 5x+2=42?
Define a variable. Translate to an inequality. Chen has at least $150 in his savings account.
A = money in account a >= 150
Solve and graph. 25 - 5r > -30
What is r < 11
x/-4=35
What is x=-140?
Write and solve the equation.
Mary had some baseball cards. She sold half of them to earn some money. Then she bought 3 more cards. Now she has 29 cards. How many cards did she start with?
What is x/2 + 3 = 29
x = 52 cards
-20x ≥ -100
What is x ≤ 5
-9 > 5x - 4
What is x < -1
(4/5)x=40
What is x=50?
DOUBLE JEOPARDY!
Write the equation and solve.
The length of a rectengle is 5 less than three times the width. The perimete is 102. Find the dimensions(length and width) of the rectangle.
What is 8w-10=102
width=14
lenth=37
m/13 ≤ -4
What is m ≤ -52