Algebra I Blitz to Ensure your Score STARTS with a 4!!!! Calculator Trick #1 – STO BUTTON!!! Steps: 1) Pick a number like 2, 3, 4 for a variable 2) Type in the number and press 3) Then hit Hint: You can type in any letter if you use the key 1) 2) Which of the following is equivalent to a12b 2 ? a 3b 6 3) What value of p will make this equation true? 4) For which system of inequalities is ( 3,1) a solution? 5) Which expression represents the sum of (4 x 3x 2 1) (3x 2 x 5) ? 6) What is the value of this expression when n 15? a) 6 x 2 5 x 4 c)5 x 4 b)5 x 4 d )7 x 2 x 4 2 2 Calculator Trick #2 – 1-Var Stats 7) Billy listed the weights of students on his wrestling team, 83, 75,89,122,108,98,130,94,111,125,101,105 2 n 6 a ) 42 b) 18 c )18 d )42 Algebra I Blitz to Ensure your Score STARTS with a 4!!!! Calculator Trick #3 – TABLE!!! 8) What is the range of the function 9) 1 f ( x) x 2 when the domain is 2 {2, 4, 6} 10) Which is an equation for the line that passes through the points (0,1) and (6, 1) ? 11) Which equation best represents this data set? {(4, 4.8), (3, 8.2), ( 2, 9.1), ( 1, 8.1), (0, 4.7), (1, 0.3)} a) y 1.1x 2 4.2 x 4.9 b) y 1.1x 2 4.2 x 4.9 c) y 1.1x 4.2 d ) y 1.1x 4.2 Calculator Trick #4 – Polysmlt2 Solving quadratic equations or Factoring Polynomials Use when you only have 1 quadratic 1) Hit Polysmlt2 1) Hit Polysmlt2 2) 2: Simultaneous Eqn Solver Type in coefficients only if your equations look like this: Ax By C 2) 1: Polynomial Root Finder 3) Type in coefficients 12) Which are the following represents the zero(s) of the function f ( x) 2 x 2 3x 2 ? a ) x 2, 1 2 b) x 2, c) x 2 1 d )x , 2 2 1 2 14) What is the solution to the system of equations? x 2y 3 4x y 6 a )(1, 2) b)( 1, 2) Solving Systems of equations Use when you have two linear equations! c)(2,1) d )(2, 1) 13) Algebra I Blitz to Ensure your Score STARTS with a 4!!!! Calculator Trick #5 – Radicals If you see a “ ” (square root) symbol, you can use your calculator to find the closest answer. 15) 16) Calculator Trick #6 – LinReg The table shows the number of students enrolled in the advanced algebra program at Fair Oaks High School during the first 6 years. Other Information! Function - x does not repeat!!! Not a function – x repeats