9000007109
Level:
B
The picture shows a graph of a quadratic function and three points on the graph. In
the following list identify another point on the graph of the same quadratic
function.
\([2;3]\)
\([2;2]\)
\([2;4]\)
\([2;5]\)
Quadratic Functions
9000007105
Level:
C
Consider a family \(M\)
of quadratic functions, as shown in the picture. Any quadratic function in this family
is given by the analytic expression
\[
y = ax^{2} + bx + c
\]
where \(a\),
\(b\) and
\(c\) are real constants and
\(a\not = 0\). For each function
the set \(K\) denotes the
set of \(x\)-intercepts. Complete the statement. „The analytic expressions for functions in the family
\(M\) share
only ....”
the solution set \(K\)
the value of the coefficient \(a\)
the value of the coefficient \(b\)
the value of the coefficient \(c\)
9000007103
Level:
C
Consider a family \(M\)
of quadratic functions, as shown in the picture. Any quadratic function in this family
is given by the analytic expression
\[
y = ax^{2} + bx + c
\]
where \(a\),
\(b\) and
\(c\) are real constants and
\(a\not = 0\). For each function
the set \(K\) denotes the
set of \(x\)-intercepts. Complete the statement. „The analytic expressions for functions in the family
\(M\) share
only ....”
the value of the coefficient \(a\)
the value of the coefficient \(b\)
the value of the coefficient \(c\)
the solution set \(K\)
9000007104
Level:
C
Consider a family \(M\)
of quadratic functions, as shown in the picture. Any quadratic function in this family
is given by the analytic expression
\[
y = ax^{2} + bx + c
\]
where \(a\),
\(b\) and
\(c\) are real constants and
\(a\not = 0\). For each function
the set \(K\) denotes the
set of \(x\)-intercepts. Complete the statement. „The analytic expressions for functions in the family
\(M\) share
only ....”
the value of the coefficient \(b\)
the value of the coefficient \(a\)
the value of the coefficient \(c\)
the solution set \(K\)
9000007102
Level:
C
Consider a family \(M\)
of quadratic functions, as shown in the picture. Any quadratic function in this family
is given by the analytic expression
\[
y = ax^{2} + bx + c
\]
where \(a\),
\(b\) and
\(c\) are real constants and
\(a\not = 0\). For each function
the set \(K\) denotes the
set of \(x\)-intercepts. Complete the statement. „The analytic expressions for functions in the family
\(M\) differ
only in ....”
the coefficient \(c\)
the coefficient \(a\)
the coefficient \(b\)
the solution set \(K\)
9000007101
Level:
C
Consider a family \(M\)
of quadratic functions, as shown in the picture. Any quadratic function in this family
is given by the analytic expression
\[
y = ax^{2} + bx + c
\]
where \(a\),
\(b\) and
\(c\) are real constants and
\(a\not = 0\). For each function
the set \(K\) denotes the
set of \(x\)-intercepts. Complete the statement. „The analytic expressions for functions in the family
\(M\) differ
only in ....”
the coefficient \(a\)
the coefficient \(b\)
the coefficient \(c\)
the set \(K\)
9100033706
Level:
B
Identify a picture which shows graphical solution of the following quadratic
inequality, assuming that the solution is the red set.
\[
-x^{2} + x + 2 > 2x
\]
9100025608
Level:
B
Identify the picture which shows solution of
\[
\text{$2x^{2} - 5x - 3 = 0$}
\]
by a graphical method.
