2 sided equations
A letter used to represent an unknown value or quantity.
What is a variable?
The constant term in a simplified inequality.
What is a boundary?
The distance of a number from zero.
What is absolute value?
One-degree equation.
Write an expression for the following situation:
Desiree made 100 cookies this week. She baked 4 more than three times the total she made last week. How many cookies did she bake this week?
What is 3x + 4 = 100?
A term in an equation that does not contain a variable.
What is a constant term?
> and <
What are strict inequalities?
|8x + 4| = 28
What is x = 3, x = -4?
Slope-intercept form.
What is y = mx + b?
4x + y = 20
y = 2x + 2
A constant that is being multiplied by a variable.
What is a coefficient?
≥ and ≤
What are weak inequalities?
An inequality with two boundaries.
What is a double inequality?
The constant in a linear equation.
A total of 41 people attended Tanya's birthday party. Tamya's brother invited some of the guests. If Tamya invited 19 more people than her brother. How many guests did each of them invite?
Tamya = 30 and her brother = 11
Using inverse operations to get the variable by itself on one side of the equal sign.
What is isolating the variable?
-4 (3 + n) > -32
What is n < 5 ?
|7 + x| < 29
What is -36 < x < 22
The slope of a line containing the points (0,0) and (3,5).
What is 5/3?
4x + y = 40
y = x
What is x = 8, y = 8
47 - 2x = 15 + 6x
What is z = 4?
Graph the following inequality:
-7x + 7 ≥ -56
See white board for solution.
Graph the following inequality:
|x + 2| < 8
See white board for the solution.
Graph the following equation:
y = (1/2)x + 2
See white board for the solution.
Write an equation that passes through the points (0,7) and (1,6)
What is y = -x + 7?