ACT Secrets Study Guide questions
and answers:
(b/2)² =cCorrect Answerscompleting the square
Equation of a circleCorrect Answers(x-h)²+(y-k)²=r²
log base a of n=x
log base 4 (64) = 3Correct Answersb^x=a
4^3= 64
Log Base Change FormulaCorrect Answerslog base a (b)= log b/log a
If bases are the same in logsCorrect Answersthen stuff in the parentheses is equal
log a- log bCorrect Answerslog (a/b)
you cannot have ____ logsCorrect Answersnegative
add exponentsCorrect Answersmultiplying powers with the same base
subtract exponentsCorrect Answersto divide powers having the same base,
multiply the exponentsCorrect AnswersPower to a Power
Ellipses EquationCorrect Answers(x-h)²/a² + (y-k)²/b² = 1
, Square root of a -1Correct Answersi
i²Correct Answers1
Negative Exponent RuleCorrect Answersx ⁻ⁿ = 1/xⁿ
y > mx + bCorrect Answersdotted line, above below, or outside the circle
y < mx + bCorrect Answersdotted line, shaded below, in the circle
Diagonal of a rectangular solidCorrect Answers√l²+w²+h²
arithmetic sequenceCorrect Answersan=a1+(n-1)d
geometric sequenceCorrect Answersan=a1(r)^n-1
vertex formulaCorrect Answers-b/2a = x
Quadratic FormulaCorrect Answersx = (-b ± √(b² - 4ac))/2a
Cosecant (csc)Correct Answershypotenuse/opposite
secent (sec)Correct Answershypotenuse/adjacent
and answers:
(b/2)² =cCorrect Answerscompleting the square
Equation of a circleCorrect Answers(x-h)²+(y-k)²=r²
log base a of n=x
log base 4 (64) = 3Correct Answersb^x=a
4^3= 64
Log Base Change FormulaCorrect Answerslog base a (b)= log b/log a
If bases are the same in logsCorrect Answersthen stuff in the parentheses is equal
log a- log bCorrect Answerslog (a/b)
you cannot have ____ logsCorrect Answersnegative
add exponentsCorrect Answersmultiplying powers with the same base
subtract exponentsCorrect Answersto divide powers having the same base,
multiply the exponentsCorrect AnswersPower to a Power
Ellipses EquationCorrect Answers(x-h)²/a² + (y-k)²/b² = 1
, Square root of a -1Correct Answersi
i²Correct Answers1
Negative Exponent RuleCorrect Answersx ⁻ⁿ = 1/xⁿ
y > mx + bCorrect Answersdotted line, above below, or outside the circle
y < mx + bCorrect Answersdotted line, shaded below, in the circle
Diagonal of a rectangular solidCorrect Answers√l²+w²+h²
arithmetic sequenceCorrect Answersan=a1+(n-1)d
geometric sequenceCorrect Answersan=a1(r)^n-1
vertex formulaCorrect Answers-b/2a = x
Quadratic FormulaCorrect Answersx = (-b ± √(b² - 4ac))/2a
Cosecant (csc)Correct Answershypotenuse/opposite
secent (sec)Correct Answershypotenuse/adjacent
