Mark as true any statement that is always true. Mark as false any statement that is never true or that is not necessarily true. Be able to justify your answers.
1. A one-to-one correspondence that assigns every point, A, in the plane to another point, A, in the plane is called a translation.
2. A rotation is determined by a point, O, and a directed angle.
3. All isometries preserve orientation of geometric figures
4. Two triangles are congruent if and only if there is a rotation that takes one triangle to the other.
1. F—It is called a transformation.
2. T
3. Reflections and Glide Reflections do not.
4. It is an isometry, not just a rotation.
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Give an appropriate answer.Let
f(x) = -6 and
g(x) = 9. Find
[f(x) ? g(x)].
A. 3 B. -4 C. 9 D. -54
Solve the problem.On a map of the Fox River, 1 centimeter equals 2 kilometers. If a trail by the river is actually 
long, what is the length of the river on the map?
A. 6.8 cm B. 4.8 cm C. -2.4 cm D. 7.6 cm
Factor.t2 + 0.2t - 0.24
A. (t + 0.6)(t - 0.4) B. (t + 0.24)(t - 1) C. (t - 0.6)(t + 0.4) D. (t + 0.1)2
Simplify the expression. Express the answer so that only positive exponents occur. Assume that all variables are positive.(16x10y-4)3/2
A. 64x15y6
B. 
C. 
D. 