Examine the discriminant of each equation and determine the nature of the roots.x2 + 7x - 8 = 0
A. One real solution
B. Two real solutions
C. No real solutions
Answer: B
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Solve.Approximately 4 × 103 employees of a certain company average $30,000 each year in salary. What is the total amount earned by all the employees of this company per year? Write your answer in scientific notation.
A. $12 × 109 B. $12 × 108 C. $1.2 × 109 D. $1.2 × 108
Graph the equation by plotting the intercepts.y = 3x - 9
A. 
B. 
C. 
D. 
Write an equation of the line through the given point with the given slope. Write the equation in slope-intercept form.(0, 5); m = - 
A. y = - 
x - 5
B. y = - 
x + 5
C. y = - 
x + 
D. y = - 
x + 5
A sorority has 27 members, 21 of whom are full members and 6 are pledges. Two persons are selected at random from the membership list of the sorority. Find the probability: the first person selected is a pledge. ?
A. 
B. 
C. 
D. 
E. 