Provide an appropriate response.Use the FOIL method to show that (2x + 4)(x - 5) is 2x2 - 6x - 20. If you were asked to completely factor 2x2 - 6x - 20, why would it be incorrect to give (2x + 4)(x - 5) as your answer?
What will be an ideal response?
The factor of 2 should be factored out.
Mathematics
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Decide whether the statement is true or false.All rational numbers are real numbers.
A. True B. False
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Answer the question.What does the digit 4 mean in the number 301,475?
A. 4 thousands B. 4 tens C. 4 hundreds D. 4 hundred thousands
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Solve the equation by completing the square.x2 - 4x - 7 = 0
A. {-2 - 
, -2 + 
}
B. {4 - 
, 4 + 
}
C. {2 - 
, 2 + 
}
D. {2 - 
, 2 + 
}
Mathematics
Solve.The equation of a line is y = - 
x + 5. What is the slope of a line perpendicular to it?
A. - 
B. 
C. - 
D. 
Mathematics