Test Answers on algebra

question Quadratic function answer A function that can be written in the form f(x) = ax^2+bx+c, where a,b,and c are real numbers and a ≠ 0 question Parabola answer the graph of a quadratic function question Vertex form of a quadratic function answer y = a(x-h)^2 + k question Intercept form of a quadratic function […]

question What is an equation for a direct variation whose graph passes through the point (-5, 3)? answer y=-3/5x question Which line, having the given slope and passing through the given point, represents a direct variation? answer m= 2/3 ; (9, 6) question The length of an object’s shadow varies directly with its height. If […]

question What are the domain and range of mc016-1.jpg? answer domain: x > 0; range: all real numbers question Which is the graph of a logarithmic function? answer a                                                      […]

question ALIBATA answer 3 patinig (a, e/i, o/u); 14 katinig =17 question Alpabetong Romano/ Abecedario answer Ang pinalit ng kastila question ABAKADA answer Lope K. Santos; 5 patinig +15 katinig= 20 letra question Lope K. Santos answer Ama ng Barirala question 1976 answer Dagdag na 11 letra question 1987 (Alpabetong Filipino) answer 5 patinig + […]

question (1a1) Types of numbers: Natural, Whole, Integers, Rational, Irrational, real answer question (1a2) Add Fractions answer 1) Convert to common denominator 2) Add the numerators 3) Reduce the fraction question (1a3) Find opposite of a fraction answer 1) Switch numerator and denominator 2) Change sign question (1a4) Subtract two negative numbers answer -1 -2 […]

question find a number that is 56 less than its square answer -7, 8 question find two consecutive odd integers the sum of whose squares is 130 answer -9,-7 ,9 or 7 question two ships leave port, one sailing east and the other south, some time later they are leaving 17 mi apart, with the […]

question Factoring answer The process of writing a number or exponent as a product. question Factorization answer Any combination of factors multiplied together resulting in the product question Factors answer Any set of the numbers or expressions that form a product question Prime factorization answer The unique factorization of a natural number written as a […]

question Algebra answer one of the main branches of mathematics, it concerns the study of structure, relation and quantity. Algebra studies the effects of adding and multiplying numbers, variables, and polynomials, along with their factorization and determining their roots. In addition to working directly with numbers, algebra also covers symbols, variables, and set elements. Addition […]

question slope intercept form answer y=mx=b question slope formula answer change in y over change in x question regression answer STAT, EDIT, L1, L2, STAT, CALC, LinReg (ax+b), calculate, E a=slope b=Y-intercept question composite functions answer plug the x value into the equation and solve question composite functions: substitution answer plug the other function in […]

question the identity function answer f(x)=x question the squaring function answer f(x)=x² question The cubing function answer f(x)=x³ question the reciprocal function answer f(x)=(1/x) question the square root function answer f(x)=√x question the exponential function answer f(x)=eⁿ question the natural logarithm function answer f(x)=ln x question the greatest integer function answer f(x)=int (x) question the […]

question natural numbers answer counting numbers question N answer natural numbers symbol question W answer whole numbers symbol question whole numbers answer starting at zero and counting up question intergers answer postive and negative whole numbers question Z answer intergers symbol question rational numbers answer 2/3, 3.81 question Q answer rational numbers symbol question irrational […]

question Abscissa answer The first coordinate in an ordered pair. For the point (8, -2) the abscissa is 8. question Absolute Value answer Absolute value makes a negative number positive. Positive numbers and 0 are left unchanged. The absolute value of x is written |x|. We write |-6| = 6 and |8| = 8. question […]

question scientific notation answer a * 10^n; 1 <= a < 10, n an integer, a in decimal form question nth Root answer For a natural number n and a and b real numbers: a is an nth root of b if a^n = b question Number of Real nth Roots of b, if b […]

question Producing Equivalent Equations by adding the same quantity to both sides of an equation answer If we start with the equation a=b, then adding \”c\” to both sides of the equation, we get a + c = b + c. question Producing Equivalent Equations by subtracting the same quantity from both sides of an […]

question f(x)=ax^2+bx+c answer is a parabola with a turning point called a vertex. question axis of symmetry answer equation is question quadratic equation answer An equation that can be written in the form ax2 + bx + c = 0, where a,b,and c are real numbers and a ≠ 0 question zero product property answer […]

question Matrix Outcomes answer Unique Solution, No Solution, Infinite Solutions question Unique Solution answer Indicates the system is consistent. question No Solution answer Indicates the system is inconsistent. In Gauss Jordan Elimination, if a zero appears on the left side and a non zero appear on the right side of the row, the system has […]

question To find X-intercepts answer Solve f(x)=0, (ordered pair) question To find y-intercepts answer Find y= f(0), (ordered pair) question Even Functions answer Symmetric about the y-axis, f(-x)=f(x) question Odd Functions answer Symmetric about the origin, f(-x)=-f(x) question f(x)+k answer Vertical Shift Up question f(x)-k answer Vertical Shift Down question f(x+h) answer Horizontal shift left […]

question Distance formula answer √(x2-x1)²+(y2-y1)² question Quadratic formula answer (-b±√b²-4ac)/2a question Standard form answer ax²+bx+c question How do you rationalize the denominator with a radical? answer lol question How do you find x intercepts? answer set y or f(x) = 0 question How do you find y intercepts? answer set x=0 question slope formula answer […]

question Series answer ai=a1+a2+a3+……an question The Sum of a Finite Arithmetic Sequence answer Sn=n/2(a1+an) question Sequence answer a1,a2,a3,…….an question Sum of an Infinite Geometric Series answer S=Ea1r^i=a1/1-r question nth Term of a Geometric Sequence answer an=a1r^n-1 question Sum of Fourth Power of Integers answer n(n+1)(2n+1)(3n^2+3n-1)/30 question nth Term of an Arithmetic Sequence answer an=dn+c OR […]

question standard equation of a circle with center (h,k) and radius r answer question The Distance Formula answer question point-slope form for the equation of a line answer question average rate of change from (x₁,y₁) to (x₂,y₂) answer another name for slope question How to evaluate (f+g)(x) answer To evaluate what? question How to evaluate […]

question linear function answer y=mx+b question constant function answer y=b question identity function answer f(x)=x question absolute value function answer f(x)=|x| question quadratic function answer x^2 question cube function answer x^3 question square root function answer f(x)=√x question cube root function answer f(x)=^3√x question reciprocal functin answer 1/x question vertical stretch a•f(x) answer changed by […]