Square and Cube Root
Find the square root of 25?
52 because 5x5= 25
-3x + 5(3)=12
X=1
-2 + 9=?
-2 + 9= 7
Write 100, 000 in scientific notation.
100,000=105
What is slope?
Slope is the steepness of the line, also commonly known as rise over run.
What is the square root of 64?
82 because 8x8=64
6x + 3=27
X=4
What is an integer?
An integer is a whole number and it’s opposite.
Write 0.00000026 in scientific notation.
0.00000026= 2.6 x 10-2
What is rise over run?
Rise- A change in vertical distance.
Run- A change in horizontal distance.
what is the square root of 125?
53 because 5 x 5 x 5=125
x - 54=221
x=275
-9 x 25=?
x=-225
Write 0.0092564 in scientific notation.
9.25647 x 10-3
what are negative slopes and which way do they face?
Negative slopes are lines that decrease, they decrease from left to right.
What is the square root of 144?
122 because 12 x 12=144
Solve for x
2x + 14= 4x + 12
x = 1
-12(8) + -7=?
-103
Round 3,885, 387, 000,000,000 to the greatest place value and write it in scientific notation.
3,885,387,000,000,000 = 4,000,000,000,000,000
4 x 105
What are positive slopes and which way do they face?
Positive slope are lines that increase, and it increases from left to right.
what is the cube root of 27,000?
303 because 30 x 30 x 30=27,000
A crafter buys 14.45 square feet of fabric. She used 8.20 square feet and has $20 worth of fabric left. How much does fabric cost per square foot?
Fabric cost $3.2 per square foot.
Equation is 14.45x - 8.20x= 20
-485 - 252 x 2=?
-485 - 252 x 2=-989
solve.
(14.2 X 109)+(2.8 x 104)
(14.2 X 109)+(2.8 x 104)= 142,000,280,000
How do you find slope?
To find slope you first have to identify two points on the line. Select one to be (x1, y1) and the other to be (x2, y2). Finally use rise over run to calculate slope.