Know what a system of equations is and how to find its solution by graphing. (Lesson 13) EXAMPLE: Find the solution to the system of equations. 1 y =--x+3 rise O remember slope is and y = x-2 run slope: slope: y-intercept: y-intercept: Solution: Check your solution:

Q: 1. Solve the system of equations by using substitution or elimination. -3x + 4y = 25 x -5 y = -23

A: Please refer the attached image for complete solution.

Q: Indianapolis 360 mi Columbus 172 mi Pittsburgh The map above shows a section of Highway USA that…

A: We have given  distance from Pittsburgh to Indianapolis d1=360 mi distance from Columbus to…

Q: Determine whether each pair of lines are parallel, perpendicular, or neither. *Explain your…

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Q: Use substitution to solve the system. 6x + 5y = 12 x + 2y = 9 The solution is. (Simplify your…

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Q: Graph the lines 2x + 4 = 0 and 2x + 5y = −15

A: To draw the graph of the lines .

Q: -6 -5 4 -3 -2 -1, The equation of the line is: -2-

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Q: Write a linear equation in slope-intercept form that models each scenario. State what y, m, x, and…

A: Initial number of pictures Jason has: b=273Rate at which Jason deletes pictures per day: m=−21…

Q: Example: Tony had to decide between two gym memberships. Lifetime Fitness had a one time initiation…

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Q: Graph the line. 3 y = -√x+2 4*+2

A: NOTE: Refresh your page if you can't see any equations. . to graph the line, we need only two…

Q: Natan mixes candy costing $0.45 per pound with candy costing $0.65 per pound.  A 7 pound box of the…

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Q: Use substitution to solve the system. x-3y = -8 -5x +4y = 7 y =|

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Q: Order the steps and justifications in solving the system of linear equations. -2x+y=7 2x+y=-9

A: Answer

Q: Write an equation for a line parallel to y = -2x + 5 and passing through the point (2,-6) y = Check…

A: Please see the below picture for detailed solution.

Q: A budget equation is given: y = - 3x + 12. The amount of money in the account is represented by y…

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Matrices

‘Matrices’ is the plural form of the word matrix, and it is basically a spreadsheet in the form of a box. In mathematics, various functions can be carried out with matrices. Generally, a matrix comes in the shape of a square or rectangle. The elements are distributed horizontally in the form of rows, and vertically in the form of columns.