Use the quadratic formula or graphing methods to solve the inequality.2x2 + 10x + 4 ? 0
A. x ? 
? -4.562 or x ? 
? -0.438
B. x ? 
? -0.438
C. x ? 
? -4.562
D. 
? -4.562 ? x ? 
? -0.438
Answer: D
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Find the measure of the supplement of the angle.Find the supplement of 30°.
A. 150° B. 330° C. 60° D. 240°
Solve the problem.Since the end of the Cold War, jobs in defense manufacturing and aerospace have disappeared as the U.S. government spends less on defense. Employments at Aerospace Tech for various years are listed in the table below.
Let L represent the employment (in thousands of people) at Aerospace Tech t years since 1922.i) Use your graphing calculator to create a scatterplot of the Aerospace Tech data. Then use your calculator to sketch the graph of the equation 
Which data point(s) are above the line?ii) Use the linear model to estimate when there were 35
thousand employees at Aerospace Tech.iii) Use the linear model to predict the number of employees at Aerospace Tech in 2032. Has model breakdown occurred?iv) What is the slope of the equation 
What does the slope tell you in terms of the employment at Aerospace Tech - be as specific and complete as you can be.v) Find the t-intercept. What does your result mean in terms of Aerospace Tech?vi) Find the L-intercept. What does your result mean in terms of Aerospace Tech?
What will be an ideal response?
Solve.Last year a company had 5850 employees. This year the number of employees increased by 1381. How many employees does the company have now?
A. 7131 employees B. 7231 employees C. 7331 employees D. 7241 employees
Solve the problem.The probability of drawing a face card from a standard deck of 52 cards is 
. The probability of drawing a diamond is 
. Which card has a higher probability of being drawn, a diamond or a face card? Explain.
A. A diamond, because 
is greater than 
.
B. A face card, because 
is greater than 
.