Write the standard equation for the circle.
A. (x + 1)2 + y2 = 25
B. x2 + (y + 1)2 = 25
C. x2 + (y + 1)2 = 5
D. x2 + (y - 1)2 = 25
Answer: B
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Find the x- and y-intercepts. If no x-intercepts exist, state so.f(x) = -x2 + 13x - 42
A. x-intercepts (6, 0) and (7, 0); y-intercept (0,-42) B. x-intercepts (6, 0) and (7, 0); y-intercept (0,6) C. No x-intercepts; y-intercept (0,6) D. x-intercepts (-6, 0) and (-7, 0); y-intercept (0,-42)
Solve the equation by the square root property.(11x - 12)2 = 20
A. 
B. {-2
, 2
}
C. 
D. 
Solve the problem.A chemist needs 130 milliliters of a 35% solution but has only 5% and 70% solutions available. Find how many milliliters of each that should be mixed to get the desired solution.
A. 50 mL of 5%; 80 mL of 70% B. 80 mL of 5%; 50 mL of 70% C. 60 mL of 5%; 70 mL of 70% D. 70 mL of 5%; 60 mL of 70%
Evaluate the expression.4-3
A. 
B. 
C. -64
D. 64