Which of the following function is increasing?
Anonymous Quiz
9%
f(x) = -3x + 4
25%
f(x) + 2x = 1
51%
2y - 4 = x + 8
16%
x + 6y = 5
Which of the following is NOT true about the function f(x) = 3x + 6 ?
Anonymous Quiz
7%
The function is increasing
23%
The x- intercept of the function is (-2, 0)
14%
The y- intercept of the function is (0, 6)
55%
The slope of the function is -3
Let f(x) = ax + b, and f(1) = 5 and f(2) = 12, then what are the values of a and b respectively ?
Anonymous Quiz
52%
7 and -2
29%
-2 and 7
13%
1 and 4
6%
-1 and 6
My brother ________ writing his new book last week.
Anonymous Quiz
52%
finished
11%
was finishing
27%
was finished
10%
has been finishing
The solution set of the quadratic equation x² + 6x +8 = 0 is__________.
Anonymous Quiz
29%
{2, 4}
60%
{-4, -2}
10%
{-4, 2}
2%
{-2, 4}
What is the solution set of the system of linear equations x+ y = 7 and 2x +3y = -3 ?
Anonymous Quiz
48%
{(24, -17)}
36%
{(-17, 24)}
12%
{(-24, 17)}
5%
{(17, -24)}
❤1
The solution set of the equation: (x+8)(x-3) = 3x is ________?
Anonymous Quiz
18%
{-4,6}
42%
{-6,4}
31%
{-8,3}
9%
{-3,2}
❤1
❤2
Suppose the quadratic equation ax² + x-c = 0 has two real roots r1 and r2. If r1+r2 = r1×r2 = -1/2, then c is equal to ____________
Anonymous Quiz
17%
-2
26%
2
31%
1
26%
-1
The value of a and b are constant for which (3,-1) is a solution for the system ax+by = 16 and bx-3y = 0 then the value of 'a' is equal to ______.
Anonymous Quiz
39%
5
27%
1
21%
-1
12%
-9
If x+ky= 15 and 2x+y= 9 the system has no solution. Then the value of k is__________.
Anonymous Quiz
20%
2
15%
-2
57%
1/2
8%
-1/2
The solution set of the equation |3-2x| = |x-6| is__________.
Anonymous Quiz
5%
{4,-3}
19%
{4,3}
27%
{-3,1}
49%
{-3,3}
One of the roots of the equation x²-2kx+ 12 is 3. What is the other root?
Anonymous Quiz
22%
-4
41%
4
27%
-3
10%
3
Which of the following is the solution set of the equation |3x + 2| = |2x - 1|?
Anonymous Quiz
11%
{-2, 0}
53%
{-3, -1/5}
21%
{-1/5, 3}
15%
{-3, 1/5}
What is the solution set of 2x² + 7x - 4 = 0?
Anonymous Quiz
4%
{-4, 1}
60%
{-4, 1/2}
30%
{-1/2, 4}
6%
{-4, -2}
Let r1 and r2 be the roots of quadratic equation x² + 5x + 6 = 0, then which of the following is NOT true?
Anonymous Quiz
25%
1/r1 + 1/r2 = -5/6
58%
r1² + r2² = -13
10%
r1r2 = 6
7%
r1 + r2 = -5
We have been working really hard for a couple of months, ______?
Anonymous Quiz
11%
are not we
7%
don't we
24%
weren't we
58%
haven't we
❤1
She won't help me. I wish she___ me.
Anonymous Quiz
16%
will help
51%
would help
17%
helps
16%
had helped
❤1