Which is an arithmetic sequence?
a. 5,10,20, 40
b. -5,5, -10,10
c. 5, 8, 11, 14
d. -10, -13, -18, -25
c
300
What is the x coordinate of the system
3x - 4y = 10
x - y = 4
x = 6
300
(5x ^2 - 4x +10)
- (-2x^2 - 6x + 6)
7x^2 + 2x + 4
300
How do you find the x-intercept(s) of the graph?
Where the line intersect the x-axis at
400
Solve: 5x -4 = 2 (x -2) + 3x
Infinitely Many Solutions (IMS)
400
Graph the line y = -2x + 5 and identify what the slope is?
slope = -2 or -2/1
400
what is the y-coordinate of the system
x + 5y = 12
2x -6y = 8
y = 1
400
(x + 3) (4x -2)
4x^2 + 10x -6
400
Is the table linear or non-linear:
(3, 5) (1,3) (-1,1) (-3, -1)
Linear
500
2(3x - 9x) + 2 = -12x + 5
No solution
500
Graph the inequalities and find a solution:
y > 1/2x + 1
y < -2x + 3
Check the answer (double shaded in quadrant 2) (dotted lines)
500
Jeremy and Jane go to a soccer game. At the game Jeremy buys 4 drinks and 2 nachos for $28.00. Jane buys 2 drinks and 4 nachos for $33.50. What was the cost of a drink and a nacho?
Drink = $3.75
Nacho = $6.50
500
(3x -1) ^2
9x^2 -6x +1
500
Graph the points (1,2) (0 -1) (-1, -3).
Find f(-1)?