CCSS.Math.Content.8.G.A.3

If the triangle is transformed following the rule (x,y)⊣(x,-y), what transformation is modeled?

• Dilation
• Reflection
• Translation
• Rotation

Tags

CCSS.Math.Content.8.G.A.2

CCSS.Math.Content.8.G.A.1

CCSS.Math.Content.8.G.A.3

Triangle ABC is going to be translated. Where would  A' position be at, if the translation was be (x,y) --> (x+3, y-2)?

• (-1,3)
• (5,3)
• (5,8)
• (3,5)

Tags

CCSS.Math.Content.8.G.A.3

A dilation can produce a smaller figure or a(n)______(use a synonym for smaller).

• reduction
• enlargement
• scale factor
• center of dilation

Tags

CCSS.Math.Content.8.G.A.3

Which answer shows a reflection across the x-axis?

• d
• c
• b
• a

Tags

CCSS.Math.Content.8.G.A.2

CCSS.Math.Content.8.G.A.3

Suppose that point B was reflected across the x-axis, what would be the resulting point or image of point B?

• (1, -6)

• (6, -1)

• (-1, 6)

• (-1, -6)

Tags

CCSS.Math.Content.8.G.A.1

CCSS.Math.Content.8.G.A.3

How is trapezoid ABCD translated to trapezoid A'B'C'D'?

• (x, y) --> (x + 5, y + 8)

• (x, y) --> (x + 5, y - 8)

• (x, y) --> (x - 8, y + 5)

• (x, y) --> (x - 8, y - 5)

Tags

CCSS.Math.Content.8.G.A.3

A triangle with points A(2, 3), B(2, -1), and C(4, 2) is rotated 90° clockwise. What algebraic rule describes this transformation?

• ( x, y ) → ( y, -x )

• ( x, y ) → ( -x, -y )

• ( x, y) → ( x, y )

• ( x, y ) → ( -y, x )

Tags

CCSS.Math.Content.8.G.A.3

 $\Delta$  A'B'C' is a dilation of  $\Delta$  ABC, with the origin as the center of dilation. 

Which of the following is the appropriate algebraic representation of the dilation?

•  $\left(x,\ y\right)\ \longrightarrow\ \left(\frac{1}{4}x,\ \frac{1}{4}y\right)$  

•  $\left(x,\ y\right)\ \longrightarrow\ \left(\frac{1}{3}x,\ \frac{1}{3}y\right)$  

•  $\left(x,\ y\right)\ \longrightarrow\ \left(4x,\ 4y\right)$  

•  $\left(x,\ y\right)\ \longrightarrow\ \left(-4x,\ -4y\right)$  

Tags

CCSS.Math.Content.8.G.A.4

CCSS.Math.Content.8.G.A.3

Quadrilateral S'T'U'V' is a dilation of quadrilateral STUV, with the origin as the center of dilation. 

Which of the following is the scale factor used to create quadrilateral S'T'U'V'?

• $2$

• $3$

• $2.5$

• $\frac{3}{2}$

Tags

CCSS.Math.Content.8.G.A.3

What axis is the triangle being reflected over?

• X-axis

• Y-axis

Tags

CCSS.Math.Content.8.G.A.1

CCSS.Math.Content.8.G.A.3