Numbre Sense
Solve:
5^2 - 3 x 4 +8
Answer:
5^2 - 3 x 4 +8
25 + 12 = 37
37 + 8 = 45
Question
2x +5 =17
Answer
x=6
Movie ticket = $10
Write linear equation to represent the total cost for buying tickets
c = 10x
What is line intercept?
The point of the line where it crosses the x and y intercept
What is the sum of the interior angles in a triangle
always 180 degrees
Simplify Expression:
3(2x -5) + 4(3x + 2)
Answer:
18x - 7
Simplify
3x^2+ 2x - 5x^2 - 4x +7
Answer:
-2x^2 - 2x + 7
tempuature decreases by 3 degrees celsius per hour. Write linear equation to represent the temperature after hours.
Answer: T= -3h
What are the 5 parts to a graph?
Title, Axes, Scale, Data points, and Legend
Calculate the area of a rectangle with a length of 8 units and a width of 5 units.
LxW
8 x 5 = 40units squared
Solve:
2(x + 3) -5 = 3(x-1) + 2
Answer:
2(x + 3) -5 = 3(x-1) + 2
2x + 6 -5 = 3(x-1) + 2
2x + 1 = 3(x-1) + 2
2x + 1= 3x -3 + 2
2x + 1= 3x - 1
2x + 3x = 5x
5 + 1 =6
x=6
Factor poly
x^2-4x - 5
( x - 5 )(x + 1)
Lenght of the rectangle is twice its width. Width is 5 meters, what is lenght?
L= 10 meters
how do you find circumfrence?
C= 2 pie r
Least To Greatest
-5, 0, 3, -2, 7
Answer:
-5, -2, 0, 3, 7
Solve:
2(x +3) = 4x + 10
x= 2
The total cost of buying 4 notebooks and 3 pens is 12$. if each notbook costs $2 and each pen costs $1 write an equations to represent the total cost
Answer: C= 4(2) = 3(1)
How to find area of triangle.
Area= BxH
Find Average:
12, 15, 18, 21
12, +15, +18, +21 =66
66/4 = 16.5
Multiply Polynomials
(2x-3)(x + 4)
2x^2 + 5x - 12
The speed of a car is 60km per hour. How far will the car travle in 2.5 hours?
Answer: 150km
What are graphs used for?
to calculate speed (cars) price numbre of certian things people, wages ect.