1) What is the y-intercept of the quadratic graph shown? a) 1 b) -5 c) -2 d) -1 2) What is the slope for the linear equation y=-2x + 1 a) -2 b) -1/2 c) 1 d) -2 3) What is the the value of r if (x3)5·x4=xr ? a) 12 b) 19 c) 6 d) 23 4) Which value of x makes the equation 3x-2 =4-5(x-2) true ? a) 1.5 b) -3 c) 2 d) -1 5) Which order pair is in the solution set of the inequality y>6x - 1 a) (2,7) b) (1,6) c) (3,5) d) (4,4) 6) Which value of x is a solution to 3x2+x- 10? a) x = -2 b) x = 0.6 c) x = 4.5 d) x = 3 7) What are the equation and slope of the line shown on the grid? a) x = -3 , Slope is undefined.  b) x = -3 , Slope is zero. c) y = -3 , Slope is zero. d) y = -3 , Slope is undefined. 8) Which of these function will produce a line steeper than y=2x-1 ? a) y=3x b) y=x+3 c) y=⅓ x  d) y=x-3 9) Based on the table, what was the rate of change of the balance of the student’s savings account in dollars and cents per week? a) 32 b) 1/7 c) 39 d) 7 10) What is the slope of the linear function graphed below? a) 1/3 b) -3 c) 3/2 d) 5 11) What is the zero of the linear equation shown? a) -2 b) 5 c) 2/5 d) 2 12) which statement is true about the graph of the function f(x)=24(0.95)x ? a) The coordinates of the y-intercept are (0, 24). b) The graph shows a growth behavior. c) The equation of the asymptote is y = 24. d) The graph increases from left to right. 13) Which equation best describes the graph shown? a) y=2(10)x b) y=10+2x c) y=10(2)x d) y=10-2x 14) What is the vertex of the quadratic graph shown? a) (2.4,0) b) (0,-1) c) (-0.4,0) d) (1,-2) 15) Which equation best represents the axis of symmetry? a) y = 6 b) x = 2 c) y = 4 d) x = 0 16) What is the rate of change of y with respect to x for this function graphed? a) - 1.5 b) 3 c) -2 d) 0.6 17) Which set of ordered pairs does NOT show y as a function of x? a) {(1,-7),(3,-2),(5,6),(4,1)} b) {(11,7),(-4,8),(-1,0),(0,9)} c) {(4,3),(-5,1),(-7,0),(4,-1)} d) {(1,5),(3,0),(-7,0),(9,1)} 18) Which value of x makes the equation 3(x+7)=2-5(x+1) true? a) 4 b) -4 c) 3 d) -3 19) Which equation best describes the following linear graph? a) y=6x - 2 b) y=2x - 6 c) y=6x + 2 d) y=2x + 6 20) The value of y is directly proportional to the value of x. If y = 4 when x = 30, what is the value of x when y = 12 ? a) 90 b) 1.6 c) 60 d) 120 21) What is the equation in slope-intercept form of the line that passes through the points (1, 6 )and (-2,3)? a) y=5x+1 b) y=5x-1 c) y =x+1 d) y=x+5 22) What is the minimum value of the quadratic function graphed? a) -5 b) -8 c) -7 d) -1 23) What is the solution to the system of equation graphed? a) (-4,0) b) (2,4) c) (2,0) d) (-4,2) 24) Which expression is equivalent to (a3b)2 ? a) a6b2 b) a5b c) a5b2 d) a6b 25) The table represents some points on the graph of an exponential function. Which function represents the same relationship? a) y=6(3)x b) y=3(6)x c) y=6(1/3)x d) y=3(1/6)x

Algebra 1 STAAR Practice 2020-2021

аутор
Угради

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