Answers edited by Roella W.

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• How do you solve the following linear system: #2x-y=2, 6x-y= -2 #?
  
• How do I find the value of sec(3pi/4)?
  
• How do you factor # m² + 2mn + n² - x² + 2xy - y²#?
  
• Cell phone company A charges $20 per month plus $0.05 per text message. Cell phone company B charges $10 per month pus $0.07 per text message. Is there any number of text messages that will result in the exact same charge from both companies?
  
• How do you factor #2x^2 + 40x + 200#?
  
• A recipe for rhubarb cake calls for #1##1/4# cups of sugar for any #2##1/2# cups of flower. How many cups of flour are needed if the baker intends to use #3# cups of sugar?
  
• What is the proper grammatical way to write "however"? Is it "; however,"?
  
• For what values of x, if any, does #f(x) = 1/((x^2-4)(x+3) # have vertical asymptotes?
  
• How do you solve the following system: #8x-3y=3, 7x-2y= -67 #?
  
• What is the standard form of # y= (2x-3)(2x+4)+(4x-3)^2#?
  
• What is the equation of the line that passes through #(-1,7)# and is perpendicular to the line that passes through the following points: #(1,3),(-2,6) #?
  
• How do you find general form of circle with center at the point (5,7); tangent to the x-axis?
  
• Is "noodle(s)" considered a countable noun or an uncountable one?
  
• How do you find the slope and intercept to graph #x=y+2 #?
  
• How do you factor the trinomial #x^2 + 8x - 48#?
  
• How do you find the domain & range for #y=tan4x#?
  
• How do you factor the trinomial #x^2-5xy-6y^2#?
  
• How do you factor the expression #6x^2+6x^3#?
  
• What is the standard form of #y= 2(x-3)(x-2)(3x-5)#?
  
• How much power is produced if a voltage of #2 V# is applied to a circuit with a resistance of #32 Omega#?
  
• The measures of the three angles of a triangle are given by #18x-7, 12x + 9#, and #4x#. What is the measure of the largest angle?
  
• How do you determine whether the given ordered pair (2, -3) is a solution of the system #x=2y+8# and #2x+y=1#?
  
• How do you write 20,000 in scientific notation?
  
• What are the asymptotes of #y=(2x^2 +1)/( 3x -2x^2)#?
  
• What is #3sqrt7 (sqrt14 + 4sqrt56)#?
  
• What are the extrema of #x^3-2x^2-8x#?
  
• Find the area and the perimeter of a parallelogram with base 5 inches, side 15 inches, and altitude 12 inches?
  
• Is #y = 2x + 5# a direct variation and if so, how do you find the constant?
  
• What is the vertex of # y=-3x^2-4x+2(x-2)^2 #?
  
• How do you graph # x^2+y^2-4x+10y+20=0#?
  
• How do you solve the following linear system: # 2x-y=-1, x+1/2y=-1/2 #?