One Solution, Zero Solutions, or Infinitely Many Solutions
Mixed Review
100
24 - 3m = 5m
What is m = 3?
100
Find the LCM for this equation.
3/2 + 3/4a = 1/4a - 1/2
What is 4?
100
9a = 6( a + 4)
What is a = 8?
100
w + 3 = w + 6
What is zero solutions?
100
Rational or Irrational
1/4
What is rational?
200
20 + c = 4c - 7
What is c = 9?
200
3.7b + 7 = 8.1b - 19.4
What is b = 6?
200
5h - 7 = 2(h + 1)
What is h = 3?
200
16d = 22 + 5d
What is one solution?
200
Write 3,400,000 in scientific notation.
What is 3.4 x 10 to the 6th power?
300
8w - 8 - 6w = 4w - 7
What is w = -1/2 or -0.5?
300
5/8m - 3/8 = 1/2m + 7/8
What is m = 10?
300
40 + 14j = 2(-4j - 13)
What is j = -3?
300
8z = 4(2z + 1)
What is zero solutions?
300
Rational or irrational.
-6.5555555555555....
What is rational?
400
3x - 4 = 2x + 8 - 5x
What is x = 2?
400
0.7z + 1.9 + 0.1z = 5.5 - 0.4z
What is z = 3?
400
7(r + 7) = 5r + 59
What is r = 5?
400
12y + 6 = 6(2y + 1)
What is infinitely many solutions?
400
Write 3.1968 x 10 to the -4 power in standard form.
What is 0.00031968
500
You are looking for a repair service for general household maintenance. One service charges $75 to join and $30 per hour. Another service charges $45 per hour. Find the number of hours when the 2 services will cost the same.
What is 5 hours?
500
n - 10 = 5/6n -7 - 1/3n
What is n=6?
500
5(n + 2) = 3/5(5 + 10n)
What is n = 7?
500
Describe and correct the error.
6(2y + 6) = 4(9 + 3y)
12y + 36 = 36 + 12y
12y = 12y
0 = 0
The solution is y = 0.
What is it is a true statement so therefore the correct answer is infinitely many solutions not y = 0?
500
Order from least to greatest.
6.4 x 10 to the 6th power
5.62
3,400,000
What is 5.62; 3,400,000; & 6.4 x 10 to the 6th power