Find the interval(s) for b such that the following equation has at least one real solution
?
.
?
A. 
B. 
C. 
D. 
E. 
Answer: A
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Write the word phrase as an algebraic expression. Use x to represent the unknown value.Twice the difference of ten and a number
A. 2(10 - x) B. 2(x - 10) C. 2x - 10 D. 10 - 2x
Write an equation of the line through the given point with the given slope. Write the equation in slope-intercept form.(-1, 7); horizontal
A. y = 1 B. y = 7 C. x = -7 D. x = -1
I have a habit of getting up before the sun rises. My socks are all mixed up in the drawer, which contains 20 blue and 18 black socks. I reach into the drawer and grab some socks in the dark. How many socks minimum do I need to take from the drawer to be sure that I have a matched pair? ?
A. 18 socks B. 21 socks C. 2 socks D. 3 socks E. 19 socks
Find an equation for the hyperbola described. Graph the equation.Center at (0, 0); vertex at (0, 2); focus at (0, -2
)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1