WorksheetsQuiz_301_Group 1
Total questions: 20
Worksheet time: 15mins
Complete the square for x2 + 6x - 57
(x-6)2-57
(x+3)2-66
(x-3)2-66
(x+6)2-57
Complete the square for 2x2-8x-7
2(x+2)2-15
2(x-2)2-5
2(x-2)2 + 15
2(x+2)2+15
Using the quadratic formula, solve 3x2+42x-21=0
Using the quadratic formula, solve 18n2-9n-324=0
Read and answer the question below
2m
2 1/12m
5/6 m
5m
Find the range of values of the constant k for which the equation (1-2x)(x+2)=k has 2 distinct and real roots.
k< 3 1∕8
k< 0.5
k> -2
k> 3 1∕8
Find value of k when the equation x2+8x-15-k=y has 2 real and equal roots
k > -31
k = 15
k > 1.56
k=-31
Find the range of values of the constant k for which the equation 3kx2+4x-12=0has no real roots.
k> -1/9
k < 12
k< -1/9
k > 12
Find the solution of(1-x)2 ≤ 17-2x
8 ≥ x ≥ -4
-8 ≤ x ≤ 8
4 ≤ x ≤ -4
-4 ≤ x ≤4
Find the solution of x2-5x-27 > 1-2x
x < -7 or x > 4
-4 < x < 7
x< -4 or x > 7
-7< x <4
x2+2x+5 ≥ 0 for all real values of x
true
false
Solve (x+5)(x-5)>0
x > 10
x < -5 or x > 5
x > -5 or x < 5
x < 10
the graph below is incorrect for the equation : -(-2x2 - 6x - 2.5)
true
false
Find the range of values of m for the curve y=2x2-mx+2, in which the equation y=0 has real roots.
m > 0
m > 2 or m < - 2
m ≥ 2 or m ≤ - 2
m ≥ 4 or m ≤ - 4
The coordinates of the turning point of x2-5x+2 is…
(2.5, -4.25)
(-2.5, 20.75)
(3, -4)
(3.5, -3.25)
The graph below is for the equation (x+4)(x-q). The line of symmetry is x=-0.5
true
false
Find the range of values of k for which the line x-y=3k meets the curve x2+kx-k=y
Find the range of values of k for which y = (k-6)x2- 8x +k cuts the axis at 2 distinct points and has a minimum point.
k > 2
-2<k<8
k > 6
k > 8 or k < 6
Find the value of m for which the line y=mx+4 is a tangent to the curve y=-x2, where m < 0.
m > 4
m=4
m < 4
m=-4
Find the range of values of the constant k for which the line y=x+k does not intersect the curve y=x2 at all.
k > -1/4
k < 1/4
k<-1/4
k > 1/4
