Random
Find Domain and Range:
{(5, -4), (6, -7), (8, -10), (0, 3), (4, 3)}
Domain: 5, 6, 8, 0, 4
Range: -4, -7, -10, 3
(12 × 2 - 32) + 6
Show your steps!
21
Graph this equation:
y = 2
Horizontal line at y = 2
What is Variable? and Constant?
Variable are the letters (X, Y, Z,...)
Constant are the numbers (1,2,3,...)
A workshop for health awareness charged $25 per attendee and spent $100 on materials. If the event earned $425, how many people attended?
25x - 100 = 425
x= 21
21 people attended
Name 2 things that RANGE represents
-3(x + 5) = 9
x = -8
y = -3x + 5
Negative slope
What is PEMDAS stand for?
Parenthesis, Exponents, Multiply, Divide, Add, Subtract
A community garden project costs $200 for soil and $5 per packet of seeds. If they spend $275 total, how many packets of seeds did they buy?
5x + 200 = 275
x = 15
15 packets of seeds
What is Domain and Range of this equation?
y = 2x + 1
Both are all real numbers
7 + 2x − 3 = x + 6
Show your steps!
x = 2
-2x + y = 5
y = 2x + 5
positive slope
Name 3 types of correlations we have learned
Positive, negative, and no correlation
A fundraiser collected $350 to buy $12 backpacks for students in need. If $26 was spent on additional supplies, how many backpacks did they purchase?
12x + 26 = 350
x = 27
27 backpacks
What do you we use when we plot the slope?
Rise over Run
2(x - 4) + 8x + 3
Shows your steps
10x - 5
4x - 2y = 8
y = 2x - 4
Positive slope
What are 2 things that DOMAIN represent?
X-value and inputs
A nonprofit collected $420, and they bought water filters for $30 each. If they also spent $60 on transportation, how many water filters were purchased?
Give me both equation and answer!
30x + 60 = 420
x = 12
12 water filters were purchased
What does m and b represent?
m is slope
b is y-intercept
5x - 9 = 2x + 12
x = 7
A graph shows a straight line with no endpoints. What kind of function must it be?
Linear function
What are three things must include in an equation?
Numbers, variables, and operation symbols
A community recycling program collected $150 in donations. They spent $3 per recycling bin and $42 on promotional materials. How many bins did they purchase?
Give me both equation and answer!
3x + 42 = 150
x = 36
36 bins