Write the algebraic expression:
Four times x plus eighteen
4x + 18
Write an equation where the slope is 1/2 and the y-intercept is (0, -8)
y = 1/2x - 8
Draw a coordinate plane and label the:
x-axis
y-axis
origin
4 quadrants (Roman Numerals)
See photo
Simplify: 2x + 3x - 5y
5x - 5y
What is the y-intercept in this equation? y=1/2x+2
Write as an ordered pair
(0,2)
Write the verbal expression: 11 - 2y
Eleven minus two time y
Does the line y=-2/3x+6 have a positive or negative slope?
Descending
A horizontal line has a ________ slope.
A vertical line has a ________ slope.
[undefined or zero]
A horizontal line has a zero slope.
A vertical line has a undefined slope.
Simplify: 2/3 + 1/4
11/12
Write and label the symbols for less than, less than or equal to, greater than, greater than or equal to
less than <
less than or equal to ≤
greater than >
greater than or equal to ≥
Solve for x: 6-2x=2
x=2
Draw the inequality x > 5
See paper
5 - 6 ( -2 + 11)2
-481
What is a variable?
an unknown value represented by typically a letter.
Solve for x
|x-16| =30
x = 46 or x = -14
Simplify:
-4(x-7)
4x+28
What are coefficients?
The number in front of the variable.
Graph the inequality
4 ≤ 2x + 6 < 10
See picture
Solve for x when x = -3
-x2 + 4x
-20