Test 1 Flashcards
What does PEMDAS stand for
Parenthesis, exponents, multiply, divide, add, subtract
How do you set up a linear equation?
Y=mx+b
Simplify 5(6x-1) + 1
30x - 4
Translate 5+9/3
Five plus nine divided by three
True or false
X=1 is a horizontal line.
False
What does the “D” in PEMDAS stand for?
Divide
Solve for x
5x-2=3
x=1
Write an equation from this scenario:
Samantha was given 9 apples. She decided she wanted to share these with two of her friends. How can Samantha split up the apples so that they all have an equal amount?
9/3
What is a piecewise function?
a function which is defined by multiple sub-functions, each sub-function applying to a certain interval of the main function’s domain
Solve: 8 = 4x+2
x = 1.5
translate seven less than half of five
7 - 5/2
Explain how to solve (5+3)/2+2
Solve the parenthesis, divide that by 2, then add 2
Which of these is a linear function?
a) y = x + 4
b) 3+3=6
c) 2+3+1-4/6
A
Write an equation that will give you a horizontal line
y = _______
Which scenario matches this equation:
9/3+1
a) Rosie has 6 apples and gives Amanda 4
b) Jack’s mom gave him 9 apples. After he evenly split those apples between him and 2 friends, his mom gave him another one.
c) Peggy has 7 horses, she read one from 7:20 to 9:30. If she did this every day for a week, how many hours will she have ridden?
b
