Fraction Operations & Percentages
Write 1.50 as a percentage
150%
Which operations in PEMDAS are on the "same level"?
-Multiplication and division
-Addition and subtraction
Fill in the blanks. Solve one-step equations by using ____________ ______________.
inverse operations
What are the three types of solutions an equation can have?
-One solution
-No solution
-Infinitely many solutions
Solve for a.
g = cab
a = g/cb
Write 95.5% as a decimal.
0.955
(4-2)2 + (-6)
-2
Solve for x.
5 - x = -20
25
How many solutions does this equation have?
2x = 2x
Infinitely many solutions
Solve for x.
6x - 1 + 6x = 11
x = 1
Find 20% of 70.
14
Evaluate for a = 10, b = -1, c = 3
a2 + b2 + c
104
A number minus eleven is the same as negative twenty.
-9
Write an example of an equation with one solution.
Write an example of an equation with no solution.
Write an example of an equation with infinitely many solutions.
See examples
Solve for a.
g = ca - b
a = g + b/c
1/5 - 2/4
Write your answer in simplest form.
-3/10
Evaluate 18 ÷ 3 - 7 + 2 × 5
9
Where is the first mistake?
4x-5(x-6) = 8
4x - 5x - 30 = 8
-x - 30 = 8
-x = 38
x= -38
-5 x -6 does not equal -30. It should be 30
How many solutions does this equation have? If it has one, what is the solution? Please show your work.
8(x + 4) = 6x + 12 + 2x
No solution
Solve for d.
-10 = -14d + 14d
No solution
A shirt is on sale for 15% off. If it costs $30, how much is it after the sale?
$25.50
2 × (3 - 8)2 - 24/4 + (6 + 5)
55
1 + 2/3x + 3 = 4-5
-15/2
How many solutions does the following equation have? If it has one, what is the solution?
3(x - 14) + 1 = -4x + 5
One solution: 46/7
Solving literal equations is helpful in other subjects such as science! Use the equation to find what the temperature 75 degrees Fahrenheit (F) is in Celsius (C).
C = 5/9(F - 32)
Leave your answer as a fraction and include your units.
215/9 degrees Celsius