Arithmetic Sequences
Given the sequence 3, 7, 11, 15, what is the common difference?
What is 4
When solving an inequality, when do you flip the inequality symbol?
What is "when you multiply or divide by a negative number"
What are three ways to solve a system of equations?
What is graphing, substitution, and elimination
What is the y-intercept of a direct variation? Write is as an ordered pair.
What is (0, 0)
The slope of the line that goes through (-15, 18),(0,15)
What is -1/5
a1 = -5
d = -2
What is the explicit formula?
What is an = -3 - 2n
When graphing an inequality, when would you have an open circle?
What is graphing a solution that is greater than or less than
When a system of equations has the same slope and the same y-intercept, how many solutions does the system have?
What is an infinite number of solutions
If the amount y (in dollars) that you raised selling x fundraiser tickets is represented by the equation y=7x, how many tickets were sold when $175 was raised?
What is 25 tickets
The slope of the line perpendicular to line given the equation y=7/3x + 2
What is -3/7
Given the explicit formula an = -16 + 4n
What is the 9th term?
What is 20
What is the solution to -7 + 6x < 7x - 4 < 4x + 2
What is -3 < x < 2
What is the value of x in this system of equations?
8x + 10y = 2
-10x - 10y = -20
What is 9
Simplify the expression (3x6y3)(4x-4y)(2x-7)
What is 24y4/x5
The equation of the line, in slope intercept form, that goes through (-2,0), slope -1/4
What is y= -1/4x - 1/2
Given the sequence 21, 19, 17, 15...
What is the explicit formula?
What is an = 23 - 2n
What is the solution to 2r - 7 > 13 or -r + 1 > 1
What is r > 10 or r<0
What is the solution to this system of equations?
2x - 8y = -6
-2x - y = 15
What is (-7, -1)
If the amount y (in dollars) that you spent on gas traveling x miles is represented by the equation y=4.50x, how much money did you spend driving 12 miles?
What is $54
The equation of the line that goes through (-5,5), parallel to y = -3/2x - 5
What is y - 5 = -3/2(x + 5)
Given the explicit formula an = 2 + 5n
What is the 18th term?
What is 92
What is the solution to 88 < -8(x - 3)
What is x < -8
What is the solution to this system of equations?
-9x - 7y = -11
-10x + y = -21
What is (2, -1)
Simplify (16x-4y8)3/4
What is 8y6/x3
The equation of the line, in standard form, that goes through (5, 3) and (4, -4)
What is 7x - y = 32