13321 results.
-
Question in CHY1205
Use laws for addition and subtraction of logarithms to simplify a given logarithmic expression to an arbitrary base.
-
Using the Quadratic Formula to Solve Equations of the Form $ax^2 +bx+c=0$ [L4 Randomised] Needs to be testedQuestion in CHY1205
Apply the quadratic formula to find the roots of a given equation. The quadratic formula is given in the steps if the student requires it.
-
Question in CHY1205
Power rule
-
Question in CHY1205
Equating coefficients of a polynomial. Basic ones that don't require simultaneous equations.
-
Question in CHY1205
Slope of a curve at a point
-
Question in CHY1205
Convert from degrees to radians
-
Exam (6 questions) in CHY1205
Questions on powers, the laws of indices, and exponential growth.
-
Exam (3 questions) in CHY1205
Some questions on working with surds.
-
Differentiation: product and chain rule, (a+bx)^m e^(nx), factorise answer [L8 Randomised] Needs to be testedQuestion in CHY1205
Differentiate the function $f(x)=(a + b x)^m e ^ {n x}$ using the product and chain rule. Find $g(x)$ such that $f^{\prime}(x)= (a + b x)^{m-1} e ^ {n x}g(x)$. Non-calculator. Advice is given.
-
Question in CHY1205
No description given
-
Question in CHY1205
In parts (a) and (b) rearrange linear inequalities to make $x$ the subject.
In the parts (c) and (d) correctly give the direction of the inequality sign after rearranging an inequality.
-
Question in CHY1205
This question tests the student's ability to solve simple linear equations by elimination. Part a) involves only having to manipulate one equation in order to solve, and part b) involves having to manipulate both equations in order to solve.
-
Question in CHY1205
A few simple functions are provided of the form ax, x+b and cx+d. Values of the functions, inverses and compositions are asked for. Most are numerical but the last few questions are algebraic.
-
Question in CHY1205
Very good feedback and corresponds to instance of randomisation
-
Question in CHY1205
A graph of a straight line $f$ is given. Questions include determining values of $f$, of $f$ inverse, and determining the equation of the line.
-
Question in CHY1205
A graph is drawn. A student is to identify the derivative of this graph from four other graphs.
Version I. Graph is quadratic
Version II. Graph is horizontal
Version III. Graph is cubic
Version IV. Graph is sinusoidal
-
Question in CHY1205
This question aims to test understanding and ability to use the laws of indices.
-
Question in CHY1205
Multiply two numbers in standard form, then divide two numbers in standard form.
Needs marking algorithm to allow equal values in standard form to gain equal marks
-
Question in CHY1205
Solve a quadratic equation by completing the square. The roots are not pretty!
-
Question in aleams's workspace
Elementary operations on vectors; sum, modulus, unit vector, scalar multiple.
-
Exam (5 questions) in CHY1205
5 questions on definite integrals - integrate polynomials, trig functions and exponentials; find the area under a graph; find volumes of revolution.
-
Question in CHY1205
Rearrange some expressions involving logarithms by applying the relation $\log_b(a) = c \iff a = b^c$.
-
Question in CHY1205
Use laws for addition and subtraction of logarithms to simplify a given logarithmic expression to an arbitrary base.
-
Question in CHY1205
Use the rule $\log_a(n^b) = b\log_a(n)$ to rearrange some expressions.
-
Exam (3 questions) in CHY1205
Quiz covering basic arithmetic with complex numbers and solving roots for a quadratic with complex solutions
-
Question in CHY1205
Two quadratic graphs are sketched with some area beneath them shaded. Question is to determine the area of shaded regions using integration. The first graph's area is all above the $x$-axis. The second graph has some area above and some below the $x$-axis.
-
Exam (11 questions) in CHY1205
Questions on integration using various methods such as parts, substitution, trig identities and partial fractions.
-
Exam (12 questions) in CHY1205
Differentiation of polynomials, cos, sin, exp, log functions. Product, quotient and chain rules.
Missing: Application with bacteria, turning points, difficult chain rule
-
Question in CHY1205
Differentiate $\displaystyle \frac{ax+b}{cx+d}$.
-
Question in CHY1205
Find the inverse of a composite function by finding the inverses of two functions and then the composite of these; and by finding the composite of two functions then finding the inverse. The question then concludes by asking students to compare their two answers and verify they're equivalent.