Day Before STAAR

What does "B" stand for?

• Base

• Area of the base

• radius

• no idea

How do I find "B" for a cylinder?

• 2 pi r

• radius

• pi r²

• pi d

How do I find "B" of a triangle?

• 1/2 bh

• bh

• pi r²

• radius

How do I find slope of a line/table

• Slope formula

  y2 - y1/x2 - x1

• y₁~mx₁+b

• See where the line crosses the y axis

• Choose a random number

How do you calculate Mean absolute deviation?

• Find the mean

• add all the numbers and divide by how many numbers there are

• Add them

• Mean

  Subtract (+)

  Mean

Which has a negative association?

• 
• 
• 
• 

m stands for

What is the algebraic representation for a reflection over the x-axis?

• (x,y)-->(-x,-y)

• (x,y)-->(-x,y)

• (x,y)-->(x,-y)

• (x,y)-->(-y,x)

What is the algebraic representation for a rotation 90 degrees clockwise?

• (x,y)-->(-y,x)

• (x,y)-->(y,-x)

• (x,y)-->(-x,-y)

• (x,y)-->(-x,y)

What is the algebraic representation for a dilation by a scale factor of 0.8?

• (x,y)-->(x+0.8,y+0.8)

• (x,y)-->(-x,-y)

• (x,y)-->(0.8x,0.8y)

• (x,y)-->(x/0.8,y/0.8)