Solving Multi-Step Equations
Eric, Emily & Noah were all solving the problem
3(x+2)-9=2x+3 Eric said the first step should be the Distributive Property, Emily said the first step should be the Addition Property of Equality, and Noah said the first step should be the Subtraction Property of Equality. Who was correct?
They were all correct
What is the school rule for going to the bathroom during class?
The 10/10 rule - cannot go to the bathroom during the first or last 10 minutes of class
The formula for the area of a trapezoid is
A=1/2h(b_1+b_2) Write an equivalent equation to the formula.
h=(2A)/((b_1+b_2) OR b_2=(2A)/h-b_1 OR b_1=(2A)/h-b_2
What is the classroom rule for going to the bathroom?
You need to wait until the lesson has been taught
Kalin pays $15 a month for a movie membership card at the local movie theater that allows him to only pay $2.50 for each movie he watches. (a) Write the equation for the cost Kalin spends at the theater each month to watch movies, where x represents the number of movies watched. (b) If Kalin spent $30 for the month of October for his movie membership, then how many movies did Kalin watch that month?
(a) y=2.50x+15
(b) 6
Solve the following equation. Write the answer as a fraction where the numerator and denominator have no common factors.
(2x+5)/4-6=3x-1
-3/2
What is the school rule about cell phones?
Cell Phones should be in backpacks and turned completely off.
The formula S_n=n((a_1+a_n)/2) is used to find the sum of an arithmetic series. Solve for n.
n=S_n(2/(a_1+a_n))
What is the classroom rule for cell phones?
If Mrs. Schneider sees the phone she will take the phone to the office for parents to pick up after school.
The Homerun Hitter's Academy charges $35 per hour for batting lessons, with a registration fee of $15 per year. Janice's parents paid $155 in the month of August. (a) Using h to represent hours, write an equation to determine how many hours of batting lessons Janice had in the month of August. (b) Solve the equation you wrote in part (a) for h.
(a) 35h+15=155
(b) 4 hours
Solve the equation below. Write the answer as a fraction where the numerator and denominator have no common factors.
-3/7C+4/5=-9/5C-4
-7/2
What is the school policy for work missed due to absences?
It is up to the student to get the makeup work from their teachers in the form that each teacher has determined
The formula for the surface area, S of a cylinder, is S=2pir^2+2pirh , where h is the height of the cylinder, and r is the radius of the base of the cylinder. Solve for h.
h=S/(2pir)-r OR h=(S-2pir^2)/(2pir
What is Mrs. Schneider's rule about work missed due to absences?
Students get one day for each day absent to make up the missed work and work can be found on Google Classroom
An oak tree can grow 24 inches a year, for the first 75 years. If a newly planted oak tree is currently 90 inches, how tall, in inches, will the tree be in 8 years?
282 inches