Intercepted!
∥ and ⊥
What's the Word?
Check the Graph
Grab Bag
100
Write the linear equations in slope-intercept form. -6x+y=-17
y=6x-17
100
What is the slope of the line perpendicular to the line
y = 2x + 9
What is m = -1/2
100
Give an example of an equation that would not form a straight line.
Answers vary. Must not be linear.
100
Find the x and y intercept for the given linear equation y=x+5 (must be in correct answer form)
x-int: (-5,0) y-int: (0,5)
100
Evaluate the table for the value x=-1
y = 7
200
Solve the x-intercept of the equation:
5x - 15y = 45
x = 9
-or-
(9, 0)
200
What is a slope parallel to the line through the points:
A(4, 2) and B(9, -3)
m = -1
200
In order to plan finances, Gabriella is calculating her monthly costs. She pays $379 at the end of each month for her car. Write an equation to represent the total she has paid for her car after x months.
y = 379x
200
Write an equation for the graph in slope-intercept form:
y = 2x+3
200
y = 5x + 25
300
[DD] Find the x and y intercept for the given linear equation
-9x+12y=36.
x-int: (-4,0) y-int: (0,3)
300
Are the lines parallel, perpendicular, or neither?
y=4x - 6
y=1/4(x) +7
What is neither?
300
6 P.M.
300
Sketch a graph of the equation:
y = -3/2x - 1
check graphs to see if the line goes through:
(0, -1)
(2, -4)
(-2, 2)
300
Simplify:
(-3)2 - 42
-7
400
Write the linear equation in slope-intercept form.
y - 6 = 2/5(x - 10)
y = 2/5x + 2
400
What is the slope of a line perpendicular to a vertical line?
m=0
400
[DD] The cost of x pounds of potatoes is $0.80 per pound, and the cost of the bag to sell them in costs $0.40.
a.) Write a function for the cost of x pounds of potatoes.
b.) Determine the price of 5 pounds of potatoes.
a.) f(x) = 0.80x + 0.40
b.) $4.40
400
Write an equation for the line in point-slope form:.gif)
y - 3 = -4/5 (x + 2)
-or-
y + 1 = -4/5(x - 3)
400
Determine the interest earned after 5 years on a $27,000 loan that grows 3.1% annually
$4452.64
500
Write the linear equation in slope-intercept form.
x - 1/4y = 7
y=4x-28
500
What is the equation in slope intercept form that is perpendicular to 2x + y = -2 and passes through the point (6,6)
What is y = 1/2(x) + 3?
500
When planning a trip to Valleyfair, your ticket costs $40. Once inside, each meal you plan to spend $15. Write an equation for the cost of a trip to Valleyfair with x meals included.
y = 40 + 15x
500
Write an equation for the line graphed with the steeper slope:
Answers vary. Examples:
y = -3/2x + 2
-or-
y -1 = -3/2(x - 2)
500
What is the percent change of a population that grew from 21,750 people to 22,910 people?
5.333%