What is the domain in math?, The domain is the set of x values that makes the functions expression valid., The domain is the set of y values that makes the functions expression valid., What is the range in math?, The range is the set of x values that makes the functions expression valid., The range is the set of y values that makes the functions expression valid., What is a function?, A function is a relation between the set of inputs(x-variable) having one output(Y-variable) each. Any repeated inputs means the expression is not a function., A function is the function for making an expression valid, Is this a function?, no, because 2 is repeated two times, which is not allowed., yes, because it portrays a correct expression., No, because it is a table, The sum of two consecutive odd numbers is 148. find the numbers., The two consecutive odd numbers are 73 and 75, because x + (x+2) = 148, 2x + 2=148 use subtraction property, 2x=146 use division property, x=73, 73+2=75, x=75., The two consecutive number are 144 and 146, The two consecutive odd numbers are 140 and 142, 139 and 141, -9(x-5)+9 greater than 3x + 42, find interval notation., Yes it has infinite solution because the final answer of the two inequalities is x is greater than 1, and the interval notation (1, infinite), Interval notation is (-1, infinite), Interval notation is [1, infinite), Interval notation is [-1, infinite), What is a linear equation?, A linear equation is the relationship between the x and y on a graph to form a straight line on the graph., A linear equation is the relationship between high frequency graph vs low., What is the standard form in math?, Ax + By = c, y=mx+b (m is slope) (b is y intercept), What is the slope intercept form?, y=mx+b (m is slope) (b is y intercept), m=y2-y1/x2-x1, What is the slope form?, m=y2-y1/x2-x1, y=mx+b, Identify the slope and y-intercept of the equation 2x + 5y = 20, The slope is -2/5x and the y-intercept is 4, because move 2x to the left and its -2x, 5y=-2x+20, divide by 5y on both sides and you get y= -2/5x + 4, The slope is 2/5x, Write a linear equation with a slope of 1 and a y-intercept of -7, y = x - 7, y = x + 7, (-4-1) and (-3-12), m = -1/3, because -4-1 and -3-12 is same as -4+1 and -3+12, so m = -1/3, m = 1/3, The answer is A, because it went up 4 units in the graph moved left by 2 and and went up by 1 which matches the line graphed,, The answer is B, C, D, Write an equation that is parallel to y = -4x + 5 and passes through the point (-2, -1), y = -4x - 9, because use the point slope formula which is y1 - y = m(x-x1), so y + 1= -4x + 8, subtract by 1 and you get y = -4x - 9., y = 4x + 9, The number of students enrolled in 2010 is 104., The number of students enrolled in 2010 is 140

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