Expressions & Order of Operations
Evaluate: 3+5(2)
13
Solve: x+7=15.
x=8
How many quadrants are there in a graph?
4
What is the input of a function usually represented by?
x
Evaluate 0(4+7)
0
Simplify: 4x+7x−3
11x−3
Solve: 3x=24.
8
What is the coordinate of the origin?
(0,0)
If f(x)=x+2, what is f(3)?
5
Simplify: −3(4−7).
9
Evaluate 2x2−3x+1 when x=4
21
Solve: 2x−5=13.
9
In which quadrant is (−3,5)?
Quadrant II
Which variable is usually the output: x or y?
y
Which is greater: −2 or −7?
-2
Simplify: 3(2x−5)+4(x+2).
10x−7
Solve 9x + 11x + 20 = 40
1
What is the y-intercept of y=3x−7?
-7
Does this represent a function? {(1,2),(2,4),(3,6)(100,200)}
(Answer Yes/No)
Yes
Is x=4 a solution to x>6?
No
Simplify completely: 2[3x−2(4−x)]+5.
14x−3
Solve: 4(x−2)=2x+10.
Find the equation of the line through (2,5) and (4,11).
y=3x−1
A function gives each input exactly how many outputs?
One
Which inequality represents “a number is at least 8”?
x≥8