Word Problems
Writing Equation from a Table
Writing Equation from a Graph
Creating Table from Equation
100
Identify the slope and y-intercept in the equation below:
y=20x +5
20 = slope
5 = y-intercept
100
Write an equation in slope-intercept form that represents the relationship between the number of dogs owned and the pounds of dog food
y = 5x
100
Is the slope of the graph below negative or positive?
Positive.
100
Ms. Harmon has created this table from the equation y = 5x. Does her table match the equation?
Yes. Her table matches the equation.
200
Josue is buying doughnuts for his Bridge class. Doughnuts are $1 each and it costs $2 for the box. Write an equation to represent this problem.
y= 1x+2
200
Write an equation in slope-intercept form that represents the relationship between the number of apples on the tree and the age of the tree.
y = 2/3x +6
200
What is the equation of the line in the graph below?
y = 3x +1
200
Ms. Harmon has created this table from the equation y = 6x. Does her table match the equation?
No her table does not match her equation.
300
Abraham and Ricky buy fries at Alfred's for $5. If x = the number of fries, does the following equation represent this situation? Explain why/why not.
y= x+5
No, the equation does not represent this situation. The equation should be
y=5x
300
Write an equation in slope-intercept form that represents the relationship between the ounces of coffee and the price.
y = 1.75X
y = 3.5/2x
300
What is the equation of the line below?
y = -3/4x +7
300
Create a table with at least three points for the equation below:
y=10x +1
Answers vary
0, 1
1, 11
2, 21
3, 31
400
A car is at the top of a hill (600 ft. elevation). It moves at a rate of 25 miles per hour.
Write an equation to represent this situation.
y= -25x +600
OR
y= 600-25x
400
Lucky wants to write an equation that represents the cost in dollars, y, for the cost per food item (x) from McDonalds. What should his equation be?
y = 1x +5
400
What is the equation of the line below?
y = -2/5x+4
400
Create a table with at least three points for the equation below:
y=2x +5
Answers vary
0, 5
1, 7
2, 9
500
Ayanna is running a race which can be represented by the equation
d=-5t +70
If t represents the time, in seconds since the start of the race and d represents the distance from the finish line, what does the y-intercept represent?
hint: try sketching a graph
The y-intercept (70), represents the total distance of the race.
500
If you want to buy 3 food items, which place would be the cheapest to order from? Explain your answer using at least one equation.
y = 5(3) = $15 at Pho Real
y= 1(3) +5 = $8 at McDonalds
y = 10 (3) +15 = $45 at Dominos
500
What is the equation of the line below?
Points are: (-3, 0) and (0, 4)
y=3/4x + 4
500
Below is a table displaying the relationship between the ounces of coffee and the price. Based off of what you see in the table, How much would 11 ounces of coffee be?
11 ounces of coffee would cost $19.25