# Linear equations and graphs Answers

Linear equations and graphs

### Describe the relationship between the two quantities. 1 [Graph] 2 [Graph]

Linear equations and graphs

### What would be the linear equation for this function, & the graph? $$\displaystyle{\left({X}_{{1}},{Y}_{{1}}\right)}={\left(-{3},{4}\right)},{m}=-{2}$$

Linear equations and graphs

### Tell whether the two quantities vary directly. Explain your reasoning. 23. the number of ounces of cereal and the number of Calories the cereal contains

Linear equations and graphs

### Adult tickets to a play cost $22. Tickets for children cost$15. Tickets for a group of 11 people cost a total of \$228. Write and solve a system of equations to find how many children and how many adults were in the group.

Linear equations and graphs

### Graph for $$\displaystyle{y}=\frac{{1}}{{2}}{x}-{5}$$

Linear equations and graphs

### Given linear equation y = -3 a. find the y-intercept and slope. b. determine whether the line slopes upward, slopes downward, or is horizontal, without graphing the equation. c.use two points to graph the equation

Linear equations and graphs

### Solve for y $$\displaystyle{3}{x}-{6}{y}={12}$$

Linear equations and graphs

### How to complete the table with the equation y=10x-4

Linear equations and graphs

### Reduce the system of linear equations to upper triangular form and solve. $$\begin{cases}5x-3y=2\\2x+7y=3\end{cases}$$

Linear equations and graphs

### y = -3x - 13 and 4x + 3y = - 24

Linear equations and graphs

### Simple or linear Equations: Tricks and Examples. I have already discussed a concept - Quadratic Equations of quantitative aptitude. Today I will discuss some examples of simple equations which have been proved to be a very important topic for various competitive exams. The problems of linear equations can be easily solved by using simple tricks. Lets discuss how.

Linear equations and graphs

### Complete the equation of the line through (2, 1) and (5, -8). Use exact numbers.

Linear equations and graphs

### A system of linear equations when graph on the cartesian plane intersects at one point. What kind of system of linear equation s was described? A. dependent and inconsistent B. dependent and consistent C. independent and inconsistent D. independent and consistent

Linear equations and graphs

### Find an equation in standard form of the line passing through (- 3, - 1) with slope 3.

Linear equations and graphs

### We give linear equations. For each equation, a. find the y-intercept and slope. b. determine whether the line slopes upward, slopes downward, or is horizontal, without graphing the equation. c. use two points to graph the equation. y=-3

Linear equations and graphs

### Using substitution method solve $$\displaystyle{3}{x}+{4}{y}={7}$$ $$\displaystyle{2}{x}-{3}{y}=-{1}$$

Linear equations and graphs

### [Table] A real-estate agent is trying to determine the relationship between the distance a 3-bedroom home is from New York City and its average selling price. He records the data for 6 homes shown below. Linear or Quadratic? Equation: Approximate cost of home 90 miles from NYC?

Linear equations and graphs

### find the standard matrix for the linear operator t defined by the formula $$\displaystyle{T}{\left({x},{y},{z}\right)}={\left({x}-{2}{y},{2}{x}+{y}\right)}$$

Linear equations and graphs