Factor completely.a2 - 14ab + 49b2
A. (a + 14b)(a - 14b)
B. (a + 7b)(a - 7b)
C. (a - 7b)2
D. (a + 7b)2
Answer: C
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Factor the binomial completely.z2r2 - 1
A. (zr + 1)(zr - 1) B. (zr - 1)2 C. (zr + 1)2 D. prime
Provide an appropriate response.Find the area of a rectangle with length 4 cm and width of 2 cm. Use the formula A= lw.
What will be an ideal response?
A landscape designer is working on the plans for a residential yard. Her clients want a privacy hedge planted on three sides of the rectangular backyard. (The side bordering the house will not be planted.) The plant selected for the hedge spans 5 when mature. If the backyard is 50 feet deep and 80 feet long and there is to be a plant at the corners of the hedge, how many hedge plants are required? (See sketch.)
What will be an ideal response?
Plot the two points given by the ordered pairs.A(4, -4), B(-2, 2)
A. 
B. 
C. 
D. 