There are a total of 322 students going on a field trip. There are 14 mini buses. Each mini bus will have equal amount of students, x. How many students are in each bus?
x = 23 (AHHHH, that's a lot of kids in mini buses.)
100
Tom has saved g dollars for a $518 PS4. Write an expression for the amount of money he still needs to buy the PS4.
a) g – 518
b) 518 – g
c) 518 + g
d) 518 ÷ g
518 - g You are subtracting g from the amount of PS4, which is 518.
100
If the inequality is < or >, do you use an open circle or closed circle?
OPEN CIRCLE
100
If the mouth of the inequality faces the variable, does the graph go to the right or left? EX. 10,000 < y
RIGHT
100
Draw a graph that represents the situation.
Cersei had a full cup of coffee. She sipped it slowly and then dumped it all out. y-axis is the coffee in her cup and x-axis is the time.
See board
200
Solve the equation -7 = 5.2 + t
t = -12.2
200
12 - t = 2
t = 10
200
Graph the inequality. y ≤ 3
<==θ-->
200
When do you change the direction of the inequality sign?
You change the direction of the inequality sign when you MULTIPLY or DIVIDE a NEGATIVE NUMBER on BOTH SIDES.
200
How do you know if a relation is a function.
For every input there is only ONE output.
300
Solve the equation. 8 - 5y = 53
y = -9
300
Solve the equation. -5(1 - 6x) = 25
x = 1
300
Solve and graph the inequality. n - 11 ≥ 12
n ≥ 23 Graph <-- θ==>
300
Solve and graph the inequality. -3x < 18
x > -6 <--O==> Sign switches because you are dividing -3 on both sides.
300
Jesse earns $18 per hour. Identify the independent and dependent variables. Write an equation in function notation for the situation.
Dependent: pay
Independent: hours
f(h) = 18h
400
Solve the equation. 2c – 10 = c + 8
c = 18
400
The sum of the measures of two angles is 180°. One angle measures 3a and the other angle measures 2a - 25. Find a.
a = 41
400
Solve the solutions of the inequality. 10 - 3t > -11
t < 7 Sign switches because you are dividing -1 on both sides.
400
Solve the solutions of the inequality. 2x + 5 < 29
x < 12
400
Evaluate the function f(x) = 2x - 3 when x = {-2, 0, 2}
f(-2) = -7; f(0) = -3; f(2) = 1
500
Solve the equation. |2x + 4| = 10. Remember to split the equation.
x = 3 and -7
500
Solve A = bh for b
b = A/h
500
To solve the equation, the variable must be isolated. What is the step needed to isolate the variable in this equation? 2 + 3k > 4 + 1k
Subtract 3k on both sides OR subtract 1k on both sides.
500
Solve the compound inequality. -15 < 5 + x < 35
-20 < x < 30
500
Find the 6th term of the following arithmetic sequence for which a1 = -5 and d = 2.