Mathematics
Slope and y-intercept
Practice questions
If (y=3x+b) and (y=-2x+4) cut the (y)-axis at the same point, what is (b)?If (y=ax-5) and (y=4x+7) have equal slopes, what is (y) on the first line at (x=2)?The line (y=-7x+c) has (y)-intercept (3). What will (y) be at (x=-2)?Which of the following statements is correct about the line \(3x-6=0\)?If the line (y=-(p+1)x+12) decreases (y) by (15) when (x) increases by (3), what is (p)?Which of the following equations represents a line that passes through the origin and has a negative slope?If (m+c=10) and (c=4) in (y=mx+c), what is the slope?If the slope is (-3) and (m+c=5) in (y=mx+c), what is the (y)-intercept?When (8x+4y=28) is written in (y=mx+c) form, what are the slope and (y)-intercept?Which of the following equations represents a straight line with no y-intercept?If the line (y=(k+4)x-2) has slope (9), what is (k)?Which of the following lines has a negative slope and a y-intercept of 4?The line (y=mx+5) passes through ( (-3,14) ). What is its slope?Which of the following linear equations is written directly in slope-intercept form \(y=mx+c\)?Which of the following equations represents a line with an undefined slope that does not intersect the y-axis?Which of the following equations represents a line with a negative slope and a y-intercept of 4?The line (y=(2p-3)x+6) has slope (13). What will (p) be?Which of the following linear polynomials represents a line that slopes downward from left to right and intersects the y-axis above the origin?A water tank initially contains 120 litres of water, and water is added at a constant rate of 8 litres per minute. A student writes \(W=120t+8\) for water quantity \(W\) and time \(t\). What is the error in the model?What is the (y)-intercept of (6x-4y+12=0)?