Zero and Negative Exponents — Cumulative exam Answers
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A line has a slope of and passes through the point (–5, 4). Which is the equation of the line?
A
y = negative three-fourths x + one-fourth
B
y = negative three-fourths x + 4
C
y = negative three-fourths x minus 2
D
y = negative three-fourths x minus one-fourth
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The work that Ryan did to find the greatest common factor of 48 and 72 is shown below.Prime factorization of 48: 2 x 2 x 2 x 2 x 3Prime factorization of 72: 2 x 2 x 2 x 3 x 3The greatest common factor is 2 ´ 2 ´ 2 ´ 3 x 3 What is Ryan’s error?
A
Ryan did not add the common prime factors to get the greatest common factor.B
Ryan did not list all the factors in the prime factorization of 48.C
Ryan did not list all the factors in the prime factorization of 72.D
Ryan did not include only common prime factors in the greatest common factor.23
To graph the equation 2x + 5y = 10, Zeplyn draws a line through the points (5, 0) and (0, 2). What is the slope of the line represented by 2x + 5y = 10?
A
negative StartFraction 5 Over 2 EndFraction
B
negative StartFraction 2 Over 5 EndFraction
C
StartFraction 2 Over 5 EndFraction
D
StartFraction 5 Over 2 EndFraction
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