X/Y Axis
What is the name of the axis that goes up and down?
Y axis
If you go right on the x axis when you are at coordinate (0,0) are you moving into positive or negative territory?
positive
Which comes first in an ordered pair- the x coordinate or the y coordinate?
x coordinate
What is an inequality?
It is an expression that describes a situation using symbols such as less than, greater than, less than or equal to, greater than or equal to.
What are 3 strategies we can use to solve multiplication problems?
Standard Algorithm
Area Model
Partial Products
What is the name of the axis that goes left to right?
X Axis
What does opposite mean in terms of ordered pairs?
If it is positive the opposite value is negative, if it is negative, the opposite is positive.
Draw a coordinate plane and graph/label the following: A(-2,3) B(4,5) C(8,1) D(-4,-1)
Mrs. Menken will check your work on the whiteboard!
A student must have fewer than 10 tardies to attend the school field trip. Let t represent the number of tardies a student has.
T < 10
What is 150 x 15
2,250
How are coordinate planes related to number lines?
They are essentially two number lines. One horizontal and one vertical.
What is the sign of the x axis coordinate in Quadrant 1- negative or positive?
Positive.
Point C is (3,-5). Point G has the same coordinates but the y-coordinate is the opposite. What are the new coordinates?
(3,5)
The high temperature of a city is 62 degrees, and the low is 44 degrees. Write an inequality to represent the range of temperatures.
T is less than or equal to 62
T is greater than or equal to 44
Use long division to solve 1.80 / 15
0.12
How far away is (9,3) from the y axis?
9 units away.
What is the sign of the x axis in Quadrant 2- negative or positive?
Negative.
Write a set of ordered pairs that would be in quadrant 3.
both would be negative numbers
A movie theater allows a maximum of 120 people in one auditorium. Write an inequality to represent the situation.
T < = 120
Mary earns $15 per week for her chores. If she is saving for a new sweater that is $60, how many weeks would she need to save for? (assuming she is not spending any other money)
4 weeks
How far away from the x axis are the points (4,5) and (-4,5)? How far are they from each other?
5, 10
What is the sign of y axis in quadrant 2?
Positive.
Write a set of ordered pairs that is 6 away from the x axis.
(3,6)
Ride A requires you to be taller than 52 inches, Ride B requires you to be shorter than 48 inches, Ride C requires you to be taller than 48 inches but less than 52 inches. Write an inequality for all three rides.
A > 52
B < 48
48 < C < 52
Solve the following equation: 5(2x+5)= 55
10x + 25 = 55
10x = 30
x= 3