Write a system of two linear equations in x and y whose graphs are given. Then, solve the system.Intercept points at (0, -1), (2, 0), (0, -2) and (4, 0).
What will be an ideal response?
Answers may vary. One possible solution:
; inconsistent
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Write the compound statement in words.Let r = "The puppy is trained." p = "The puppy behaves well." q = "His owners are happy."p ? r
A. If the puppy behaves well then the puppy is trained. B. The puppy does not behave well or the puppy is not trained. C. If the puppy is trained then the puppy behaves well. D. The puppy behaves well or the puppy is trained.
Write the vector v in the form ai + bj, given its magnitude 
and the angle ? it makes with the positive x-axis.
= 13, ? = 90°
A. v = 13i - 13j) B. v = 13i C. v = 13i + 13j D. v = 13j
Write a linear inequality in two variables to represent the situation.Mrs. White wants to crochet hats and afghans for a church fund raising bazaar. She needs 5 hours to make a hat and 4 hours to make an afghan, and she has no more than 53 hours available. Let x represent the number of hats she makes and y represent the number of afghans she makes.
A. 5x + 4y ? 53 B. 5x + 4y + 53 ? 0 C. 5x + 4y ? 53 D. 4x + 5y ? 53
Solve the problem.The area C of a circle with radius length r inches is C = C(r) = ?r2.a. Find the average rate of change of the area C as the radius length r changes from r = 4 to r = 4.1.b. Find the average rate of change of the area C as the radius length r changes from r = 4 to r = 4.01.c. Find the instantaneous rate of change of the area C with respect to the radius length r at r = 4.(Express all answers in terms of ?.)
A. a. 8.1? b. 8.01? c. 16? B. a. 328.1? b. 3208.01? c. 16? C. a. 8.1? b. 8.01? c. 8? D. a. 328.1? b. 3208.01? c. 8?