Graph the equation.y =
x - 3
A.
B.
C.
D.
Answer: D
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Write the number in words.70,146
A. Seven thousand, one hundred forty-six B. Seventy thousand, one hundred forty-six C. Seven million, one thousand, forty-six D. Seven hundred one thousand, forty-six
Solve the problem.Assume that there is a linear relationship between scores achieved on an unspecified standardized test and family income. Suppose the score for a test is 485 when the family income is $25,000 and is 525 when the family income is $55,000. Let x be the income and y be the score of the test. (a) Find the equation of the line that describes the relationship. Write your answer in slope-intercept form. (b) Use your equation from part (a) to estimate the score if the family income is $40,000.
A. (a) y = x +
; (b) 525
B. (a) y = x +
; (b) 565
C. (a) y = x +
; (b) 505
D. (a) y = 2x + ; (b) 545
Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(8x - 7)2
A. 64x2 + 49 B. 8x2 - 112x + 49 C. 8x2 + 49 D. 64x2 - 112x + 49
Find the product. Leave answer reduced to lowest terms, and assume that all variables have nonzero values. ?
A.
B.
C.
D.