Exponents & Scientific Notation
Write this into scientific notation: 1230000
1.23 x 106
A dilation is what?
answers may vary. Either an enlargement or a reduction of a shape.
Is the square root of 8 irrational?
yes
If a shape in Quadrant 2 reflects over the x-axis, Will the reflection be in?
Quadrant 3.
What test does it have to pass to be a function?
Vertical line or pencil test.
How would you write 4.3756 x 104?
If two figures are similar, the corresponding angles are...
congruent.
What is the longest side of a right triangle called?
Hypotenuse.
Reflect the (2, -4) over the y-axis?
(-2,-4)
What is the definition of a function?
Every input has only one output.
According to exponent rules, when we multiply exponents with the same base we ____ the exponents.
Add.
The point (8,12) was dilated to become point (2,3). What was the scale factor?
1/4
The square root of 40 is between which two integers.
6 and 7.
When you translate, (x,y+4) will move...
6 units up.
formula of a circle
a=pi r2
What is the value of (23)3 in standard form?
512
Dilate point A by a scale factor of 3. What are the coordinates of A'? A (3,3)
A' (9,9)
a= 2.1
b= 7.2
c= 7.5
Is this a right triangle?
yes
A transformation that “turns” a figure about a fixed point at a given angle and a given direction.
rotation.
volume of a cone.
v= pi r2 x h/3
Which is greater? 1.111 x 1015 or 9.999 x 103?
1.111 x 1015 is greater.
If two figures are similar, the corresponding sides are...
proportional
If A is 8, and c is 15. What is the length of B?
square root of 161 and 12.69.
A type of transformation where a figure is “flipped” over a line of symmetry. A reflection produces a mirror image of a figure.
reflection.
area of a cylinder formula.
a= 2 pi x r x h + 2 pi x r