Square Roots and Irrational Numbers
What is the square root of 49?
7
What is 32?
9
Solve x+5=12
x=7
In the equation y=3x, what is the slope?
3
State the Pythagorean Theorem
a2+b2=c2
Between which two integers does square root of 20 fall?
4 and 5
Simplify 103
1000
Solve 2x=14
x=7
If y=2x, what is y when x=4
y=8
If a=3 and b=4, what is c?
c=5
Is the square root of 16 rational or irrational?
Rational
Write 5,000 in scientific notation
5 x 103
Solve 3x-4=11
x=5
What is the slope of a horizontal line?
0
Find the hypotenuse with a=6 and b=8
c=10
Is pi (3.1415926...) rational or irrational?
Simplify 23 x 22
25=25
Solve 2(x+3)=10
x=2
What does slope represent in a linear relationship?
Rate of change, how we move
Find the missing side: c=13, a=5
b=12
Which number is irrational:
square root of 25
0.75
square root of 7
4
square root of 7
Which is larger 3 x 104 or 5 x 103 ?
3 x 104
Solve 4x+3=2x+15
x=6
Do the lines y=2x and y=2x+5 intersect?
If so, give the solution.
No, there are no solutions because the lines are parallel
A ladder is 10 ft long and reaches 8 ft up a wall. How far is the base of the ladder from the wall?
6 ft