2. Two trains are approaching each other on the same track. They are 500 miles from each other. One train is traveling at 40 mph, the other at 60 mph. A bird is flying back and forth between them at 150 mph. How long before they collide?

5. A person wants to buy an article, and has a spending limit of $700.
If there is a 10% sales tax, write an inequality that shows the price range in in which he should be looking.

6. Graph the inequality y < 1/2 x +2
This graph will consist of a dashed line upward sloping with a y-intercept of 2, an x-intercept of -4, and passing thru (2, 3)

7. Convert 230 yards per second to miles per minute.

8. What are the x and y intercepts of 2x -y + 3 = 0

9 . Graph the inequality 2x -3y > 6.
Which portion of the grid satisfies the inequality?

10. A line with a slope of -1 has an x intercept of 3
What is the y intercept?

Solution Summary

Solving equations and inequalities is investigated.

Inequalities, quadratic equations and intercepts. ... Why does the graph of a quadratic intercept the y ... What is the situation when two inequalities have no solution? ...

... 1 using x- and y-intercepts. x-intercept: (0.5, 0) y-intercept: (0, 1). Now "testing a point" to find which side of the line is the solution to the inequality. ...

... In this question, and in all the other ones, I'm first going to put the inequalities in slope-intercept format. In the second inequality, notice that you have ...

... shows how to solve the system of linear inequalities and equations ... 6x + 12y = 18 We will use the x- and y-intercepts. x-intercept: y = 0, 6x + 0= 18, x = 3, (3 ...

Graphing lines and inequalities. Thanks for all your help... ... x || 0 | 3 | 6 . y = x/3 - 2 || | |. 2) Draw the graph of the inequality for x - y < 3. ... x - Intercept...

... 6. Find the equation of each line. Write each answer in slope-intercept form. ... 7. Graph the inequality. ... Line Equations and Inequalities are investigated. ...

... Thus, (3, 0) does not satisfy the inequality. ... 3.1-84 Graph the equation using the x-and y-intercepts. ... For finding x-intercept, put y = 0 -2x = 4 x = -2 x ...

... Linear equations and inequalities are investigated. ... 3, give me an equation in the slope intercept format. ... When the inequality is y < mx + b , the region is ...

... Page 576. Find the vertex and intercepts for each quadratic function and sketch its graph. ... X-intercept is (-2,0) &(6,0) . Y- intercept is -12. ...

... is then the intersection of the graphs of the individual inequalities. ... this line is x = 2. The y-intercept for this ... x≥1 The x- and y-intercepts for the line ...