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Exam (elaborations)
Digital SAT Math Practice Questions and Answers
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---1June 20242023/2024A+
- When does the sign change in an inequality?When multiplying or dividing both sides with a negative number 
Number of solutionsone solution: x/y = a no solution: a = b infinite solutions: a = a 
What is slope intercept form? Identify what each variable means.y= mx + b 
m = slope (or "rate") b = y-int 
What is the formula for slope?y2-y1 / x2-x1 or rise/run 
Parallel Lines-same slope (different y-intercept) - do not intersect (unless they overlap completely) 
Perpendicular Lines- form 90 degree ...
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