Find an equation of the circle satisfying the given conditions.Center (21, 22), containing the origin
A. (x - 22)2 + (y - 21)2 = 925
B. (x - 21)2 + (y - 22)2 = 925
C. (x - 22)2 + (y - 21)2 = 30
D. (x - 21)2 + (y - 22)2 = 30
Answer: B
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Use the commutative and/or associative laws to write a series of steps verifying the given statement.5 + (a + b) is equivalent to b + (5 + a)
What will be an ideal response?
Find the slope then describe what it means in terms of the rate of change of the dependent variable per unit change in the independent variable.The linear function f(x) = 4.6x + 26 represents the percentage of people, f(x), who graduated from college x years after 1998.
A. m = 26; the percentage of people graduating from college has increased at a rate of 26% per year after 1998. B. m = 4.6; the percentage of people graduating from college has decreased at a rate of 4.6% per year after 1998. C. m = 4.6; the percentage of people graduating from college has increased at a rate of 4.6% per year after 1998. D. m = -4.6; the percentage of people graduating from college has decreased at a rate of 4.6% per year after 1998.
Graph the linear inequality in two variables.x + 4y ? -6
A. 
B. 
C. 
D. 
Solve by graphing.The value y (in hundreds of dollars) of Juan's computer is approximated by the linear equation 
where x is the number of years since he first bought the computer. Graph the equation and use the graph to estimate the value of the computer 2 years after it was purchased. 
A. $900 B. $760 C. $600 D. $700