Solve by using the square root property.(x + 2)2 = 20
A. x = 2
± 2
B. x = -2 ± 2
C. x = ± 2
D. x = -2 ± 2
Answer: B
You might also like to view...
Solve the problem.The current (in amperes) in an inductor of inductance L (in henries) is given by 
where V is the voltage (in volts) and t is the time (in seconds). Find a formula for i, if 
A. i = 
(1.3t4 - 10t2) + C
B. i = 
(1.3t4 - 4t2) + C
C. i = 
(1.3t4 - 10t) + C
D. i = L(1.3t4 - 10t2) + C
Solve the problem. Express answers as a percent rounded to the nearest tenth. Speedy Cleaning Service had a cost of beginning inventory of $40,000, net sales of $248,000, and gross sales of $465,000. Find the beginning inventory percent of net sales and gross sales percent of net sales.
A. beginning inventory percent of net sales: 16.1%, gross sales percent of net sales: 187.5% B. beginning inventory percent of net sales: 61.9%, gross sales percent of net sales: 16.1% C. beginning inventory percent of net sales: 187.5%, gross sales percent of net sales: 16.1% D. beginning inventory percent of net sales: 16.1%, gross sales percent of net sales: 61.9%
Solve.
+ 
= 
A. - 
B. 3
C. - 3
D. 
Find the slope-intercept form of the equation of the line with the given properties.Horizontal; containing the point (-6, 3)
A. y = -6 B. x = -6 C. y = 3 D. x = 3