Solve the equation by factoring.2x2 = -27x - 81
A. x = -9, -18
B. x = - 
, -9
C. x = 9, 
D. x = 9, - 
Answer: B
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Find 
by using the Chain Rule. Express your final answer in terms of t.w = x3y2; x = t4, y = t3
A. 19t18 B. 12t11 + 6t5 C. 17t16 D. 18t17
Find the standard form of the linear equation 4x - 7y = 14.
A. 4x = 7y + 14
B. y = 
x - 2
C. 
x - 
y = 1
D. 7y = -4x + 14
E. none of these
Perform the indicated operations. Round the result to the nearest thousandth if necessary.Nick is going to put insecticide on his lawn to control grubworms. The lawn is a rectangle that measures 236.7 feet by 89 feet. The amount of insecticide required is 0.02 ounces per square foot. a) Find the area of the lawn.b) Find how much insecticide Nick needs to purchase.
A. a) 21,066.3 sq ft b) 1,053,315 oz B. a) 651.4 sq ft b) 13.028 oz C. a) 651.4 sq ft b) 32,570 oz D. a) 21,066.3 sq ft b) 421.326 oz
Find the equation of the tangent line to the equation at the point where x has the given value.y = (5x2 - 5x + 4)(2x - 3); x = 0
A. y = 23x - 12
B. y = 
x - 12
C. y = 23x + 12
D. y = 
x + 12