Function Tables
What is the function rule?
x: 1, 2, 3, 4
y: 3, 6, 9, 12
3x
What is the value of y on an equation, y=x+4 when x=3?
y=7
Is x=5 a solution to an inequality, x+5<8 ?
No
Graph x > 5
The graph should have a open circle on 5 and an arrow to the right.
x - 4 > 2
What is x > 6
What is the equation?
x: 1, 2, 3, 4
y: 10, 11, 12, 13
y=x+9
What is the value of y on an equation, y=5x when x=7 ?
What is y=35
Is x=10 a solution to an inequality, x+12 ≥ 22
Yes
Graph x < -3
The graph should have a open circle on -3 and an arrow to the left.
What is the equation?
x: 5, 10, 15, 20
y: 20, 40, 60, 80
y=4x
What is the value of y on an equation, y=2x-6 when x=8 ?
y=10
Of the choices, { 0, 2, 4 }, which one is a solution of an inequality, 3x+1 ≥ 13
x=4
Solve then graph y -1 ≥ 6
The graph should have a closed circle on 7 and an arrow to the right.
x/10 < 2
What is x < 20
What is the equation?
x: 1, 2, 3, 4
y: 3, 5, 7, 9
y=2x+1
x=3
Of the choices, { 5, 55, 555 }, which one is a solution of an inequality, 5 > x/5 (x over 5) ?
x=5
Solve then graph 2x < 4
The graph should have an open circle on 2 and an arrow to the left.
y + 15 > 45
What is y > 30
What is the equation?
x: 2, 4, 6, 8
y: 1, 2, 3, 4
y=x/2
What is the value of x on an equation, y=3x+2 when y=17 ?
x=5
Choose all solutions of the inequality 2x -3 > 5 from the list, { 0, 1, 2, 3, 5, 7 }.
x= 5 and 7
Solve then graph 1 ≤ x - 5
The graph should have a closed circle on 6 and an arrow to the right.
4y > 26
y > 6.5
(or y > 13/2 )