Exam-Style Problems

⬅ Back to Subchapter
Browsing as Guest. Progress, bookmarks and attempts are disabled. Log in to track your work.
Nov 2023 p11 q2
306

A line has equation \(y = 2x + 3\) and a curve has equation \(y = cx^2 + 3x - c\), where \(c\) is a constant.

Showing all necessary working, determine which of the following statements is correct.

A. The line and curve intersect only for a particular set of values of \(c\).

B. The line and curve intersect for all values of \(c\).

C. The line and curve do not intersect for any values of \(c\).

Log in to record attempts.
June 2021 p11 q6
307

The equation of a curve is \(y = (2k - 3)x^2 - kx - (k - 2)\), where \(k\) is a constant. The line \(y = 3x - 4\) is tangent to the curve.

Find the value of \(k\).

Log in to record attempts.
Feb/Mar 2021 p12 q4
308

A line has equation \(y = 3x + k\) and a curve has equation \(y = x^2 + kx + 6\), where \(k\) is a constant.

Find the set of values of \(k\) for which the line and curve have two distinct points of intersection.

Log in to record attempts.
Nov 2020 p13 q4
309

A curve has equation \(y = 3x^2 - 4x + 4\) and a straight line has equation \(y = mx + m - 1\), where \(m\) is a constant.

Find the set of values of \(m\) for which the curve and the line have two distinct points of intersection.

Log in to record attempts.
Nov 2020 p12 q3
310

The equation of a curve is \(y = 2x^2 + m(2x + 1)\), where \(m\) is a constant, and the equation of a line is \(y = 6x + 4\).

Show that, for all values of \(m\), the line intersects the curve at two distinct points.

Log in to record attempts.
⬅ Back to Subchapter Load more