MP2 Geometry Quarterly Assessment

Front

What is the reflection of a point across the x-axis?

Back

To reflect a point (x, y) across the x-axis, the new coordinates will be (x, -y).

Front

What is the value of x in the equation x + 5 = 22?

Back

x = 17

Front

How do you apply a translation rule T_<1,4> to a point?

Back

To apply the translation T_<1,4> to a point (x, y), add 1 to the x-coordinate and 4 to the y-coordinate. For example, (2, 5) becomes (3, 9).

Front

What is the value of x in the equation 2x + 3 = 241?

Back

x = 119

Front

How do you find the coordinates of a quadrilateral after reflecting it across the x-axis?

Back

To reflect a quadrilateral ABCD with vertices A(x1, y1), B(x2, y2), C(x3, y3), D(x4, y4) across the x-axis, the new coordinates will be A'(x1, -y1), B'(x2, -y2), C'(x3, -y3), D'(x4, -y4).

Front

What are the coordinates of the point M that is a reflection of point C(5,3) across the x-axis?

Back

M(5, -3) is the reflection of C(5, 3) across the x-axis.

Front

What is the formula for the distance between two points (x1, y1) and (x2, y2)?

Back

Distance = √((x2 - x1)² + (y2 - y1)²).

Front

What is the midpoint formula for two points (x1, y1) and (x2, y2)?

Back

Midpoint = ((x1 + x2)/2, (y1 + y2)/2).

Front

What does it mean for two lines to be parallel in geometry?

Back

Two lines are parallel if they have the same slope and will never intersect.

Front

What is the definition of a triangle?

Back

A triangle is a polygon with three edges and three vertices.