Define
When solving equations "who" do we think of as being the CELEBRITY?
A. Groupie
B. Variable
C. Exponent
D. Smallest Number
B. Variable
-3q + 1 = 10
q = -3
Miller and her peers placed bricks on a. scale in science class. The purple brick weighed 0.9 pounds and the yellow brick weighed 0.3 pounds. How much more does the purple brick weigh than the yellow brick?
0.6
- 99.8573 + x = 0
99.8573
Combine like terms:
- 8j + 12w - 2j - 10w
-18j +2w
or
2w -18j
What is INVERSE OPERATION?
(give an example)
Opposites
(add - subtract) OR (multiply - divide)
r/4 - 3 = 1
r = 16
Tyler brought 649.522 ounces of chocolate. 0.9 ounces of it was milk chocolate but the rest was dark chocolate. How much more dark chocolate did she end up buying?
648.622
Identify the "celebrity", "body guard" and "groupie" for the following equation:
-17 + 6w = 79
(solve for bonus points)
Celebrity: w
Body Guard: 6
Groupie: -17
w = 16
5x - 12 = 88
x = 20
What is the MAIN GOAL when solving equations?
To get the variable by itself
3t - 17 = -20
t = -1
Cindy's class took a field trip to the science museum. They left school at 7:00 A.M. It took them 30 minutes to drive to the museum. They stayed at the museum for 3 hours and it took them 30 minutes to drive back to the school. What time was it when Cindy's class got back to school?
A.M. or P.M.
11:00 A.M.
9 = 3 + 2b
b = 3
A negative number multiplied by another negative number will give a ________ answer.
A. Positive
B. Negative
A. Positive
Who is the GROUPIE in the equation below?
-65 + 5x = 20
-65
k/3 − 2 = 2
k = 12
Arianna is going on a vacation to Australia. Her flight leaves at 8:30 A.M. It takes 30 minutes to get to the airport, and Arianna wants to be at the airport 2 hours before her flight leaves. What is the latest time that Arianna can leave for the airport?
A. 6:00
B. 10:30
C. 9:00
A. 6:00
66/y - 4 = -6
y = -33
4/6 + 1/8
19/24
38/48 simplified
Not the main goal BUT what is the other super important piece we have to remember about solving equations?
What we do to one side of the equation we do the exact same to the other side.
1 = s/5 − 4
s = 25
Yesterday, Ethan went to see a special exhibit at an art museum. He left his house at 7:15 A.M. It took Ethan 30 minutes to walk to the subway station. Ethan rode the subway for 15 minutes and then walked 15 minutes to the art museum. What time did Ethan arrive at the art museum? (A.M. or P.M.)
8:15 A.M.
16 - x = 4
12 = x
3 (4 + 5) + 17 -15
29