Linear Equations
Which of the following linear equations is already in slope-intercept form?
a.) 3x - y = 5
b.) y = 5x + 8
c.) y - 5 = 2(x - 7)
d.) x = 5y + 2
b.) y = 5x + 8
Which of the following is the correct factored form of
-x2 + 5x = 0?
a.) x(x-5) = 0
b.) (-x+2)(x+3) = 0
c.) -x(x+5) = 0
d.) -x(x-5) = 0
d.) -x(x-5) = 0
What is 1/2 * 3/10?
a.) 3/20
b.) 1/20
c.) 3/10
d.) 10/6
a.) 3/20
Which of the following is the correct solution(s) for x
in x + 25 = 0?
a.) x = 5
b.) x = 25
c.) x = -25
d.) x = -5
c.) x = -25
a.) 5x + 5 = y
b.) 2x = 3y
c.) 7x + 8y = 12
d.) 2y - 5 = 3(x - 5)
c.) 7x + 8y = 12
Which of the following is the correct factored form of
x2 - 1 = 0
a.) (x-1)(x-1) = 0
b.) (x-1)(x+1) = 0
c.) x(x-1) = 0
d.) (x+1)(x+1) = 0
b.) (x-1)(x+1) = 0
Simplify: 36/72
1/2
Which of the following is the correct solution(s) to x in
x2 - 25 = 0?
a.) x = 5
b.) x = -5
c.) x = 0, 5
d.) x = 5, -5
d.) x = 5, -5
What is the slope of the following linear equation
2x + 2y = 6?
a.) -1
b.) 2
c.) -2
d.) 3
a.) -1
Which of the following is the correct factored form of
2x2 + 7x + 6 = 0?
a.) (2x + 3)(x + 2) = 0
b.) (2x + 2)(x + 3) = 0
c.) 2(x + 3)(x + 4) = 0
d.) 2(x + 3)2 = 0
a.) (2x + 3)(x + 2) = 0
What is 1/2 + 1/8?
a.) 1/10
b.) 1/16
c.) 5/8
d.) 3/8
c.) 5/8
Which of the following is the correct solution(s) to x in
x2 - 6x + 9 = 0?
a.) x = 3, -3
b.) x = 3
c.) x = -3
d.) x = -6, -3
b.) x = 3
Which of the following lines is parallel to y = 5x + 7?
a.) y = -5x -2
b.) 7y - 35x = 14
c.) 10y = 30x + 5
d.) 5y + 25x = 25
b.) 7y - 35x = 14
What has to be true for there to be no real solutions
to ax2 + bx + c = 0?
a.) a is too small
b.) b2 - 4ac < 0
c.) b = c
d.) If the diamond method doesn't work
b.) b2 - 4ac < 0
What is 3/2 - 5/6?
a.) 2/3
b.) -2/3
c.) 1/2
d.) -1/2
a.) 2/3
Which of the following is the correct solution(s) to x in
x2 = -1?
a.) x = 1, -1
b.) x = -1
c.) No Real Solution
d.) Infinitely many solutions
c.) No Real Solution, the answer is imaginary "i"
Which of the following lines is perpendicular to
-10x + 5y = 12?
a.) -0.5x - y = 23
b.) y = 2x + 20
c.) 0.2x - 25 = y
d.) y = 0.5x + 50
a.) -0.5x - y = 23
What is the multiplicity of x = 0 in the following:
x8 + 2x16 + 5x64 = 0?
a.) 2
b.) 4
c.) 8
d.) 16
c.) 8
What is (3/4) / (2/3) ?
a.) 2
b.) 9/8
c.) 1/2
d.) 8/9
Which of the following is the correct solution(s) to x in
x3 + 8x2 + 15x = 0?
a.) x = 0, 4
b.) x = 0, 3, 5
c.) x = 0, -3, -5
d.) x = 0, -4
c.) x = 0, -3, -5