Question : Plot and label the points 1) E: (1, 3) : 2152289
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Plot and label the points.
1) E: (1, 3)
F: (-3, 0)
G: (-7, -4)
H: (6, -4)
A)
B)
C)
D)
Graph.
2) 7x - 6 = 6x + 3y
A)
B)
C)
D)
3) -x + 6 = 2x
A)
B)
C)
D)
4) y = - (1/2) x + 2
A)
B)
C)
D)
Provide an appropriate response.
5) Complete (a) and (b) for the equation x - 2y = -4
(a) State the x- and y-intercepts.
(b) Use the intercept method to graph.
A) x-intercept: (-4, 0)
y-intercept: (0, 2)
B) x-intercept: (4, 0)
y-intercept: (0, -2)
C) x-intercept: (-4, 0)
y-intercept: (0, -2)
D) x-intercept: (4, 0)
y-intercept: (0, 2)
6) Find the slope of the line that passes through (3, -8) and (-2, -3).
A) 0
B) -5
C) -1
D) 5
7) What is the slope and y-intercept of the line 5x - 11y - 7 = 0?
A) m = (11/5); (0, (7/5))
B) m = (5/11); (0, - (7/11))
C) m = - (5/11); (0, - (7/11))
D) m = -
8) Find an equation of the line with slope 2/3 and y-intercept (0, -4).
A) y = - (2/3)x - 4
B) y = (3/2)x - 4
C) y = (2/3)x - 4
D) y = (2/3)x + 4
9) (a) Write an equation for the line f that passes through (3, 5) and has a slope of – 5/9.
(b) What is the slope of a line perpendicular to line f?
A) (a) y = - (5/9)x + (20/3);
(b) (5/9)
B) (a) y = - (5/9)x + (20/3);
(b) - (9/5)
C) (a) y = - (5/9)x + (20/3);
(b) (9/5)
D) (a) y = (5/9)x - (20/3);
(b) - (9/5)
10) Find an equation for the line passing through (7, -6) and (6, 4).
A) y = - 10x + 64
B) x = - 10y + 64
C) y = 10x + 64
D) x = 10y + 64
Graph the region described by the inequality.
11) 3y ≤ -2x
A)
B)
C)
D)
12) -2x - 3y > 6
A)
B)
C)
D)
Provide an appropriate response.
13) Is this relation a function? {(-2, -2), (3, -3), (3, -2)} Why?
A) No; two different ordered pairs have the same first coordinate.
B) Cannot be determined with the information given.
C) No; two different ordered pairs have the same second coordinate.
D) Yes; all ordered pairs have different first coordinates.
14) Look at the relation graphed below. Is this relation a function? Why?
A) No; a vertical line passes through two points on the graph.
B) Yes; any horizontal line passes through no more than one point on the graph.
C) Yes; any vertical line passes through no more than one point on the graph.
D) No; a horizontal line passes through two points on the graph.
Graph.
15) y = x2 + 5
A)
B)
C)
D)
Provide an appropriate response.
16) For f(x) = x2 + 4x - 7:
(a) Find f(0).
(b) Find f(1).
A) (a) 0;
(b) 12
B) (a) -7;
(b) 12
C) (a) 0;
(b) -2
D) (a) -7;
(b) -2
Solve the system by graphing. If there isn't a unique solution to the system, state the reason.
17) 5x + y = -5
4x + 6y = 22
A) (0, -5)
B) (2, 5)
C) (-2, 5)
D) (-2, -3)
18) (1/5)x - y = 1
x = 5
A) (0, 5)
B) (5, 0)
C) (5, 4/5)
D) (5, 1)
19) x + 6y = 6
4x - 7y = -7
A) (1, 0)
B) (0, 1)
C) (1, 1)
D) (0, 0)
20) 4x + y = 0
-4x + y = -8
A) (1, -4)
B) (-1, -4)
C) (1, 8)
D) (-1, 4)
21) (y=x + 5)(y=2x + 6))
A) (-1, 4)
B) (1, -4)
C) (4, -1)
D) inconsistent system of equations
22) (3x+y=-1)(2x+y=1))
A) (-2, 5)
B) (5, -2)
C) (2, -5)
D) inconsistent system of equations
23) (y=x - 5)(y=-3x - 1)
A) (1, 4)
B) (1, -4)
C) (4, 1)
D) inconsistent system of equations
24) (x + (2/3)y=-1)(x=1)
A) (-1, -3)
B) (1, 3)
C) (1, -3)
D) inconsistent system of equations
25) (x + 3y=1)(2x - 3y=-7)
A) (1, -2)
B) (-2, -1)
C) (-2, 1)
D) inconsistent system of equations
26) (x + y=3)(x + y=1)
A) (1, 2)
B) (2, -1)
C) (2, 1)
D) inconsistent system of equations
27) y - 4x = 5
4y = 16x + 20
A) (-1.5, -1)
B) dependent equations
C) inconsistent system of equations
D) (1, 1)
28) 4x + y = 11
16x + 4y = 44
A) (5, -9)
B) dependent equations
C) (0, 11)
D) inconsistent system of equations
29) x = -y
y + x = 6
A) (1, 5)
B) (1, 1)
C) inconsistent system of equations
D) dependent equations
30) 2x + y = 1
2x + y = 6
A) inconsistent system of equations
B) (3, 0)
C) dependent equations
D) (1/2, 0)
