Contemporary Final — Dean

Solve for x in terms of y and b: 5x + yb = 4

• x = (yb + 5) / 4

• x = (-yb + 4) / 5

• x = (yb + 4) / 5

• x = (-yb - 5) / 4

What is the solution to the system of equations:

y = 2x + 3

y = 2x - 3

• No Solution

• One Solution

• Infinite Solutions

Solve for d:

-5d + 12 ≥ 27

• d ≥ 3

• -3 ≥ d

• d ≤ 3

• d ≥ 5

Graph the following inequality on a number line:

y ≤ 5 V y ≥ 20

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If you buy a jacket for $65.00 and have 8.5% sales tax, how much do you owe?

• $5.53

• $59.47

• $70.53

Tori bought one share of Macy’s stock on November 1, 2016, for $33.38. Four years later she sold it and the closing price for that day was $5.09. What is her return on investment?

• -84.75%

• 84.75%

• 15.25%

• -15.25%

Factor:

2x^2 - 8x -24

• 2 (x + 6) (x - 2)

• 2 (x - 6) (x + 2)

• 2 (x^2 - 4x -12)

• 2x

Factor using quadratic formula:

2x^2 -9x -11

• x = { (9 + √13) / 4 }

• x = { (9 + √88) / 4, (9 - √88) /4 }

• x = { (9 + √13) / 4, (9 - √13) /4 }

• x = { (9 - √13) /4 }

You flip a coin then roll a fair six-sided die. The coin lands on heads and the die shows an even number. Find the probability

• 25%

• 3/16

• 3/12

• 1/4

Given that p is true and q is false, what is the truth value of the following statement:

p V q —> q

• True

• False