Determine, without graphing, whether the given quadratic function has a maximum value or a minimum value and then find that value.f(x) = x2 - 2x - 8
A. minimum; - 9
B. maximum; 1
C. maximum; - 9
D. minimum; 1
Answer: A
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Use elimination to solve the system of equations.x - 4y = -44x - 3y = -16
A. (-3, -4) B. Inconsistent; no solutions C. (-4, 0) D. (-3, -1)
Solve the inequality and draw a number line graph of the solution.
(x + 5) > 
(x + 5)
A. x < -5
B. x > -5
C. x > 5
D. x < 5
Identify the given number as "Rational", "Irrational", or "Not a real number". If the number is rational, give its exact value. If the number is irrational, give a decimal approximation to the nearest thousandth.
A. Rational, 5 B. Not a real number C. Rational, 12.500 D. Irrational, 12.500
List the terms of the expression. Then identify the coefficient of each term.9t - 3
A. 9t, -3; 9, 3 B. 9t, -3; 9, -3 C. 9t; 9 D. t; 9, -3