InkLoop/NYS Standards/NY-8.G.3NY-8.G.3
8th GradeGeometry70 target questions
Describe the effect of dilations translations rotations and reflections on two-dimensional figures using coordinates.
Sample Practice Questions (3)
1
Triangle XYZ has vertices , , and . If the triangle is rotated about the origin, what are the coordinates of the new vertex ?
A
B
C
D
Multiple choice · diagramSee Answer + Explanation →
2
Point is rotated counter-clockwise about the origin. What are the coordinates of the image ?
A
B
C
D
Multiple choice · diagramSee Answer + Explanation →
3
Which transformation maps point to point ?
AReflection over the line
BRotation clockwise about the origin
CRotation counter-clockwise about the origin
DReflection over the y-axis
Multiple choice · diagramSee Answer + Explanation →
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NY-8.NS.1Know that numbers that are not rational are called irrational. Understand informally that every number has a decimal expansion; for rational numbers show that the decimal expansion repeats eventually and convert a decimal expansion which repeats into a rational number.→NY-8.NS.2Use rational approximations of irrational numbers to compare the size of irrational numbers. Locate them approximately on a number line diagram and estimate the value of expressions.→NY-8.EE.1Know and apply the properties of integer exponents to generate equivalent numerical expressions. For example 3² × 3⁻⁵ = 3⁻³ = 1/27.→NY-8.EE.2Use square root and cube root symbols to represent solutions to equations of the form x² = p and x³ = p where p is a positive rational number. Evaluate square roots of small perfect squares and cube roots of small perfect cubes.→