True Equations
Which number would make the equation true?
1, 5, 3, or 7
3x+5=14
x= 3
Graph the ineuality
x> -17
open circle on -17, arrow going to the right
Solve the equation for x
2x=18
x=9
There are already 7 students in the library. More students, s, come in. There can be no more than 20 students in the library.
Write an inequality to represent the situation.
s+7<=20
Jordan has -32.47 dollars in his bank account. He gets his paycheck from work and now has a total of $1,981.26. Write an equation to represent how much money, d, he got from his paycheck.
d-32.47=1981.26
What value of x would make the equation true?
2x-1=7
x=4
Graph the following inequality
-5>=x
closed circle on -5, arrow going to the left
Solve the equation for r
r/3=17
r=51
A student has already saved $15 for a school fundraiser. She earns $4 for each item she sells and wants to have at least $35 total.
Write an inequality to represent the number of items, x, she needs to sell.
4x+15>=35
Kennedi has 12 squishes. For every A she gets on her math test, her mom gives her 2 more. By the end of the year, she had 78 squishes. Write an equation to represent how many As Kennedi has gotten on her math tests.
2a+12=78
What value of x would make the equation true?
x/3 +7=10
x=9
Graph the inequality
x+3<=7
closed circle on 4, arrow going to the left
Solve the equation for p
12p-11=181
p=16
An art class is creating a mural using tiles. They already placed 72 tiles, and each row adds 14 more tiles. The mural must have more than 250 tiles to complete the design. Write an inequality to represent the number of rows, r, they need to add.
14r+72>250
A bike travels "x" miles per hour. How many miles does the bike travel in 8 hours?
8x
What value of x would make the equation true?
4+3x=37
x = 11
Graph the inequality
x/5<2
open circle on 10 with arrow going left
Solve the equation of a
2a+5-6a=17
a = -3
During a read-a-thon, students earn 5 points for every book completed. A student already earned 18 points and wants to earn at least 100 points. Write an inequality to represent the number of books, b, the student still needs to read.
5b+18>=100
A large cake is cut into 10 equal slices and costs "x" dollars. Write an expression to represent the cost in dollars for each piece of cake.
x/10
Which number(s) from the set would make this equation true?
{0 , 1, 2, 3, 4, 5}
2x+3=3(x+1)-x
all of them
Graph the inequality shown below.
4x>= -8
closed circle on -2 with arrow pointing right
Solve the equation for x
x^2-18=126
x = 12
The drama club is ordering T-shirts for a field trip. Each shirt costs $12, and the club already has $45 saved. They need at least $225 total to place the order. Write an inequality to represent the number of shirts, s, they still need to buy.
12s+45>=225
Lukas spent $36.48 on four pairs of shoes. Each pair of shoes costs the same amount. Lukas wanted to find the price, s, of each pair of shoes.
Write the equation to represent the cost of a pair of shoes and solve.
36.48=4s
s=9.12