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Graphing
Substitution
Elimination
Story Problems
Inequalities
100

Choose the graphing method when equations are in what form?

Slope intercept form

100

Chose this method when one variable equals an expression.

Substitution

100

Choose the elimination method when the equations are in what form?

Standard Form

100

The starting point or starting value of a story problem is also the what?

y-intercept

100

Use what type of line for inequalities with less than or equal to

Solid line

200

2 lines with the same slope will have how many solutions?

No solutions
200

  •  If (x = 4), what is the value of (y) in the equation (y = 5 - 2x)?

y=-3

200

  • Demonstrate the elimination method on the following system: (x - y = 4) and (2x + y = 11).

(5,1)

200

The rate of change or growth in a story problem is also the what?

slope

200

Use what kind of line when inequality is greater than

solid line

300

2 lines with the same slope and same y-intercept will have how many solutions?

Infinite

300

  •  Solve the system using substitution: (y = 2x+ 3) and (3x + y = 13).

(2, 7)

300

  • Solve the system using elimination:

  •  (2x +5y = -22) and (10x + 3y = 22)

(4, -6)

300

The sum of 2 numbers is 51.  The difference is 5.  What are the 2 numbers?

23 and 28

300

How do you know which part of the graph to shade to represent an inequality?

Test a point.

400

  • Graph the system of equations (y= -4 +x ) and (y = 3x). What is the point of intersection?

(-2, -6)

400

  • Solve the system using substitution: (x + y = 10) and (y = 3x - 2).

(3, 7)

400

In order to use the method of elimination, we may to multiply the equation in order to get the same and opposite _____?

coefficient 

400

  •  Sarah has twice as many dimes as nickels. If she has a total of $3.60, write a system of equations 

d = 2n 

.10d + .05n = 3.60

400

Is (0,0) a solution to y < -3x +4   and  -7x + 2y >14

no

500

  • Given the system of equations, (y = x + 5) and (8x + 4y = 32 ), graph both lines and identify the solution.

(1, 6)

500

  • Solve the following system using substitution: (2x + 3y = 6) and (y = x - 3).

(3,0)

500

 Use elimination to solve the system (3x + 5y = 10) and 5x + 7y = 10. 

(-5, 5)

500

  • A rectangle's length is twice its width. If the perimeter is 48 cm, write and solve a system of equations to find the dimensions of the rectangle.

w = 8 and L = 16

500

Is (0,0) a solution to y>2x - 5 and y<-3/4s +3

yes