Solving Equations
Solving Equations
Solve for x.
x + 3 = 7
What is:
x = 4
Solving Inequalities
Solve for c.
c - 11 > 22
What is:
c < 33
We use inverse operations to solve equations and inequalities?
True
Solving Equations
Solve for x.
2x + 4 = 8
What is:
x = 2
Solving Inequalities
Solve for x.
-2x < 4
x > -2
Addition is the inverse of division?
False
Solving Equations
Solve for x.
10 - 5x = 25
What is:
x = -3
Write an inequality
Your speed can be at most 55mph on certain highways.
Speed is less than or equal to 55
s <= 55
There is no difference between an equation and an inequality?
False
Solve the given equation
-v + 14 = 30
v = -16
Graph the following scenario
Rodney cannot go down the waterslide if his height is not equal to or greater than 48 inches.
Filled in circle at 48 and arrow going to the right!
We must reverse the inequality sign ONLY if we divide by a negative number?
False
Modeling Equations
Create an equation that represents the following expression and then solve it.
Harvey's age doubled minus 2 is 6
2a - 2 = 6
a = 4
Modeling and Solving Inequalities
Create an inequality to represent the scenario and solve the inequality
Chris wants to buy Caprisuns at $0.50 each and Poptarts at $2 each but he does not want to spend more than $20. How many Poptarts can he buy if he already brought 5 Caprisuns?
What is:
2.50 + 2p < 20
p < 8
Given 2c + 4 > 14
We use the inverse operations of subtraction and division to solve the inequality?
TRUE