Write the word statement as an equation. Use x to represent the unknown number. Do not solve.The product of 4 and the difference of a number and 7 is the same as the sum of the number and 21.
A. 4(7 - x) = x + 21
B. 4(x - 7) = x + 21
C. 4x - 7 = x + 21
D. 7 - 4x = x + 21
Answer: B
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A. 20 B. 40 C. 5 D. 8
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A. 2.8 in. and 13.4 in. B. 1.7 in. and 19.9 in. C. 2.1 in. and 24.9 in. D. 2.3 in. and 11.2 in.
Determine the slope and the y-intercept for the linear equation. Use the slope and the y-intercept to sketch the graph of the equation.y = 
x + 2
A. m = 
, y-intercept: (0, 2)
B. m = 
, y-intercept: (0, 3)
C. m = - 
, y-intercept: (0, 3)
D. m = - 
, y-intercept: (0, 2)
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