Square Roots
What is the simplest form of the equation 86/82
84
What is 0.025 written in scientific notation?
2.5 x 10-2
5x - 3 = 3x + 1
x = 2
What is the equation for the slope of a line using two points?
m= (y2 - y1)/(x2 - x1)
Evaluate the equation
13 x 32 x 2.
18
Is the square root of 25 a perfect square?
yes, 5
What is 7.6 x 103 written in standard form?
7,600
What is the first step when solving the equation 7(2x +1) = 4x - 2 ?
distribute the 7 through the parenthesis
What is the y-intercept of this equation? y= -2x + 3
3
What is the simplified form of the equation
40x6y3/4x5y
10xy2
What is the square root of 81?
9
What is 8.72 x 10-4 written in standard form?
0.000872
When solving the equation,
2x + 5+ 3x = x - 25,
what is the first step?
Combining like terms on the left side of the equation, 5x + 5 = x - 25
What is the slope of this line? y= -1/2x -7
-1/2
What is the y intercept of the line y=-2/3x - 7
Y intercept = -7
What is the simplest form of the equation (x6)3 ?
x18
4.3275 x 107
In the final step of solving an equation, how does one solve for x? 5x = 30
Divide by the number in front of the variable, 5x/5 = 30/5, x = 6
Using the table below, what is the slope of the line
x 0, 3, 6, 9, 12
y 2, 4, 6, 8, 10
m= 2/3
25%, 1/2, 3 out of 4
0.25, 0.50, 0.75
Estimate the square root of 23.
Between the square root of 16 and square root of 25, so between 4 and 5.
What is 9.326 x 105 written in standard form
932,600
Evaluate the equation.
10x + 7 = 14x - 9
x = 4
What is the y intercept using the table below?
x -4, 0, 4, 8, 12
y 1, 2, 3, 4, 5
y-intercept= 2
What is the slope of a line that passes through the points (1, 4) and (4, 8)?
m= 4/3