Using the given triangle lattice, if possible, sketch the following shapes. If not possible, explain why.
(a) Sketch four non-congruent non-right parallelograms with AB as one side.
(b) Sketch all of the squares with AB as one side.
(c) Sketch all of the non-square rectangles with AB as one side.
(d) Sketch an isosceles trapezoid with AB as one side.
(a) There are many, here are some examples
(b) There is only one such square
(c) This is not possible, the only way to connect lines, on the grid, forming right angles at A and B, is to form a square.
(d) There is only one possible isosceles trapezoid that fits on this triangular grid
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Use the given graph of the quadratic function f to write its formula as 
.
A. f(x) = -(x + 1)2 - 3 B. f(x) = -(x - 1)2 - 3 C. f(x) = -(x + 1)2 + 3 D. f(x) = (x + 1)2 - 3
Perform the operation or operations when possible.
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A. 
B. 
C. 
D. 
Solve the problem.On an 18-hole golf course, there are par-3 holes, par-4 holes, and par-5 holes. A golfer who shoots par on every hole has a score of 73. The sum of the number of par-3 holes and the number of par-5 holes is 13. How many of each type of hole are there on the golf course?
A. Par-3: 5; par-4: 5; par-5: 8 B. Par-3: 5; par-4: 6; par-5: 7 C. Par-3: 6; par-4: 5; par-5: 7 D. The numbers cannot be determined from the given information.
Decide whether the equation is conditional, an identity, or a contradiction. Give the solution set.2
- r = -10 + 3(2 + 3r)
A. Conditional; {-5} B. Identity; {all real numbers} C. Conditional; {10} D. Contradiction; ?