Mathematics, 10.02.2021 01:00 bdawg9716
Which method is best to use to solve the equation 4x2β29=0?(1 point)
quadratic formula
completing the square
factoring
Square Root Property
2Is the quadratic formula the most efficient method for solving x2βxβ42=0? Explain.(1 point)
No, completing the square is the most efficient method because the equation begins with x2.
No, factoring is the most efficient method because the expression on the left is factorable.
Yes, the quadratic formula is the most efficient method because it provides the fewest calculations.
Yes, the quadratic formula is the most efficient method because it provides the correct answer.
3.Which is the most efficient method to use when solving 3x2+5x+1=0?(1 point)
completing the square
quadratic formula
factoring
Square Root Property
4.Speculate which solution method is the most appropriate for solving the equation, then solve.
x2β3xβ10=0
(1 point)
quadratic formula; x=2, β5
quadratic formula; x=β2, 5
factoring; x=β2, 5
factoring; x=2, β5
5.A quadratic equation has coefficients a=4, b=β8, and c=4. Which method is the most efficient way to solve for x?(1 point)
completing the square
factoring
Square Root Property
quadratic formula
Answers: 2
Mathematics, 21.06.2019 17:20
What is the reflection image of (5,-3) across the line y = -x?
Answers: 1
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The graph shows the distance kerri drives on a trip. what is kerri's speed . a. 25 b.75 c.60 d.50
Answers: 1
Mathematics, 21.06.2019 20:30
Max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about maxβs data must be true? a) the median of maxβs data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 2
Mathematics, 21.06.2019 23:50
Mariah is randomly choosing three books to read from the following: 5 mysteries, 7 biographies, and 8 science fiction novels. which of these statements are true? check all that apply. there are 20c3 possible ways to choose three books to read. there are 5c3 possible ways to choose three mysteries to read. there are 15c3 possible ways to choose three books that are not all mysteries. the probability that mariah will choose 3 mysteries can be expressed as . the probability that mariah will not choose all mysteries can be expressed as 1 β
Answers: 1
Which method is best to use to solve the equation 4x2β29=0?(1 point)
quadratic formula
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