Ch 7 PM3 Review Day 2

​Ch 7 PM3 Review Day 2

Multiple Choice

(2 x 10⁹)(4 x 10^-4)

• 8 x 10¹³
• 8 x 10³⁶
• 8 x 10⁵
• 8 x 10^-36

Multiple Choice

(9 x 10¹⁸) ÷ (3 x 10¹⁶)

• 3 x 10²

• 6 x 10²

• 27 x 10³⁴

• 3 x 10³⁴

Multiple Choice

When dividing numbers in scientific notation, what do you do to the exponents?
For example:
(4×10⁵) ∕ (3×10²)

• Add them
• Subtract them
• Keep them the same
• Divide them

​Rotations - Spins
Rules:

Multiple Choice

If line segment XY has vertices x(-8,9) y(-1,-2) what are the image coordinates after a rotation of 180 degrees?

• x(8.-9) y(1,2)

• x(0,0) y (0,0)

• x(-8,9) y(-1,-2)

Multiple Choice

If triangle ABC has vertices A(-2,3) B(3,2) C(-5,6) what are the image coordinates after a roration of 180 degrees?

• A(-2,3) B(3,2) C(-5,6)

• A(2,-3) B(-3,-2) C(5,-6)

Multiple Choice

Triangle B is rotated 90° counterclockwise with the origin as the center of rotation to create a new figure. Which triangle shows the new location?

• A
• B
• C
• D

Multiple Choice

What type of rotation does this represent (from red to blue)?

• 270⁰ C

• 360⁰
• 90⁰ CC

• 180⁰

Multiple Choice

If you were to rotate ABCD 180°  about the origin, what would the coordinate of A' be?

• (-5, 5)
• (-3, -5)
• (-5, 3)
• (-3, 3)

Multiple Choice

If you were to rotate ABCD 180° about the origin, what would the coordinates of B' be?

• (0, 0)
• (-6, -5)
• (-1, 3)
• (-6, 2)