Graph the linear equation and determine its slope, if it exists.2x - 5y = 20
A. slope = - 
B. slope = - 
C. slope = 
D. slope = 
Answer: D
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Solve the problem. Assume all numbers are approximate unless otherwise stated or the number has been determined by a definition or counting process.An electronics manufacturer lists the frequency of one of its crystals as 5.95 MHz. What are the lowest and highest possible frequencies at which the crystal may oscillate?
A. 5.945 MHz and 5.954 MHz B. Only at 5.95 MHz C. 5.9 MHz and 6 MHz D. 5.94 MHz and 5.96 MHz
Solve the equation using the square root property.(x + 2)2 - 25 = 0
A. {-7, 3} B. {3} C. {-7} D. {-5, 5}
Complete the identity.1 - cos(2?) + cos(4?) - cos(6?) = ?
A. 4 sin ? sin(2?) sin(3?) B. 4 cos ? cos(2?) cos(3?) C. 4 cos ? cos(2?) sin(3?) D. 4 sin ? cos(2?) sin(3?)
Solve the equation.6x - 5x = 15
A. x = 0
B. x = 15
C. x = -15
D. x = - 