TRANSLATIONS
A circle was translated 3 units to the left and 7 units down. Write the correct rule.
(x,y) --> (x-3, y-7)
What transformation occurs when a shape is dilated?
A. Slides B. Flips C. Turns D. Changes Size
D. Changes Size
(x,y) --> (x, -y)
Why do we use Scientific notation? WRITE IN A COMPLETE SENTENCE
To make long numbers shorter.
Solve for x
3x+5=2x+8
x=3
A circle was translated 6 units to the right and 8 units down.
What type of transformation is this?
Write the rule.
Translation
(x,y)--> (x+6, y-8)
A rectangle was moved 8 units to the right and 3 units down. Write the correct rule
(x,y) --> (x+8, y-3)
Given the scale factor 1/2 (or 0.5), does the shape get bigger or smaller when dilated and why?
Smaller - the scale factor is less than 1.
Write the rule for a reflection across the y-axis
(x,y) --> (-x, y)
The distance from Earth to the Sun is approximately 93,000,000 miles. Write this distance in scientific notation.
9.3 × 10⁷ miles
SOlve for x.
4x−7=2x+5
x=6
HOW OLD IS MS. FULMER?
¿QUÉ EDAD TIENE LA SEÑORA FULMER?
YOU HAVE TO KEEP IT A SECRET FROM MY OTHER CLASSES.
TIENES QUE MANTENERLO EN SECRETO PARA MIS OTRAS CLASES.
26
A triangle is translated 4 units up. Write the correct rule.
(x,y) --> (x, y+4)
Given the scale factor 3, does the shape get bigger or smaller when dilated and why?
Bigger - scale factor is greater than 1.
A rectangle with the coordinate A (-2,-9) was reflected over the x-axis. Write the new coordinate.
(x,y) --> (-2,9)
The width of a DNA strand is about 0.0000000025 meters. Write this measurement in scientific notation.
2.5 × 10⁻⁹ meters
Solve
5x+3=2x+18
x=5
¿TIENE TATUAJES LA SEÑORA FULMER? ¿SI ES ASÍ, CUÁNTOS?
4
Do translations preserve congruence?
YES -- THE SIZE STAYS THE SAME
A triangle is dilated by a scale factor of 4, write the rule for the transformation
(x,y) --> (4x, 4y)
A triangle with the coordinate B (10,-7) was reflected over the y-axis. Write the new coordinate.
(-10,-7)
A scientist is studying bacteria that reproduce rapidly. If one bacteria can multiply into 2,000,000 bacteria in an hour, how would you write this number in scientific notation?
2 × 10⁶ bacteria
Solve for x.
3x−4=2x+5
x=9
¿ESTÁ CASADA LA SEÑORA FULMER?
¿EN QUÉ TRABAJO TRABAJA SU MARIDO?
SI
BOMBERO
A rectangle is translated 7 units to the left. Write the correct rule.
(x,y) --> (x-7, y)
A triangle is dilated by a scale factor of 7/5, write the rule for the transformation
(x,y) --> (7/5x, 7/5y)
Do reflections preserve congruence?
YES -- THE SIZE STAYS THE SAME
A virus has a size of approximately 0.0000000002 meters. Write this measurement in scientific notation.
2 × 10⁻¹⁰ meters
Solve x.
2x+9-4x=x-12
x=7